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postsofbabel · 7 months ago

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#posts of babel #screenreader unfriendly #markdown posts of babel

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consistantly-changing · 2 years ago

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[Image descriptions in order: LizBlueTexan comments "In 1970, my best friend in high school had an illegal abortion just over the border in TX. They found her bleeding to death in a hotel room in Eagle Pass but were able to save her. She lost 3 weeks of her life. Six years later, I had a safe and therapeutic abortion in California for reasons I don't need to detail. I will die fighting for the rights of bodily autonomy and self-determination for all women."]

[Yrekciv comments "My story is much like Lynne's. I was a junior at the University of Nebraska in the spring of 1971. If New York had not legalized abortion a few months before, I don't know what path my life would have taken. The "boyfriend" did come with me to NYC, but he had already moved on to another girlfriend, so marriage was not on the option list. I siphoned the money from my college bank account. Hemorrhaged for a week after. I was the first (that I knew of) in my sorority house to go, and I helped four of my friends make that journey over the following year. I finally told my mother when I was 50 years old - we both wept. I told my daughter when she was 13, but have never told her three brothers. She is in a medical field and is a strong, outspoken advocate for abortion rights."]

[Brian Sperty comments "Very impactful for me. When we were teens my now wife got pregnant. It was about 1967. God only knows what would happen if my wife had told her mother she was pregnant. A story for another day. I had a very worldly friend who helped us find how to get an abortion. The rendezvous spot where is the Greyhound bus terminal in Washington DC. This has been our secret. This article hit me like a ton of bricks .Thank you Washington Post."]

[Susan B_A from Resistanceville comments "I got pregnant Pre-Roe when was 17, because as my only sex-ed (from friends) assured me - "Virgins can't get pregnant the first time they 'do it." Ha!

I could never hope to raise the $300 needed to give the abortion ring run out of the VA hospital (yeah, you read that right) on the Old Post Road outside of Boston on my own, so a friend offered to 'help' me.

He 'helped' by inserting a catheter and pumping me with epsom salts.

I hemorrhaged and almost died in the emergency room I ultimately landed in - but they refused to do a D&C. Packed me up with gauze and sent me home, in pain but still pregnant.

Finally I told my mother. After much sturm und drang (and borrowing the money it would take my parents a year to repay) - she took me on the 3 a.m. red-eye on American airlines to Puerto Rico, where it was quasi-legal. The plane was stacked with mommas and crying teenage girls.

Got to a clinic (where we met those same moms and girls), 4 months gone, and hemorrhaged again but survived.

NO woman should ever have had to go through what I did. And by the Goddess, no woman ever will again while I still have an ounce of fight left in this aging body.

To any young woman reading this: your mom never had to fight for the right of bodily autonomy. That's because we grannies did the fighting for her, to give her the gift of freedom and equal citizenship. But she didn't fight to keep them, because "I'm busy, and politics is so depressing..."

Well, Newsflash: the Abortion Fairy didn't deliver that right to you one morning. Neither did just voting.

We did Sit-ins to stop classes, politics, traffic and business, Boycotts, and disruptive Acts of Civil Disobedience. We made Good, Good Trouble daily. We were loud, we got in their way - and boy did we make them pay.

For years of our lives!"]

Good morning, these comments on this article made me cry.

#abortion

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enfranchisement · 5 years ago

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https://www.instagram.com/p/B_a-y-3gvPg/

#licewurld #instagram #uploads

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ivydoomkitty · 5 years ago

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#pinup #pinupgirl #curvyfashion #curvygirls #latina #fashion #bossbabe #tbt #lacounty #stayathome #beach

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medalmonkey · 3 years ago

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Class 12th NCERT Ch 05 Magnetism and matter

Q1. The primary reason of magnetism is-

a) Atomic current and intrinsic spin of electrons.

b) Polar and non-polar nature of molecules.

c) Pauli exclusion principle.

d) Electronegative nature of materials.

Q2. For a solenoid and an equivalent bar magnet, which of the following is correct-

a) Magnetic moment is equal for both.

b) Magnetic moment is more for solenoid.

c) Magnetic moment is more for bar magnet.

d) None of these.

Q3. Which of the following is not correct-

a) Magnetic field lines form continuous closed loops.

b) Tangent to the field line at a given point gives the direction of the field at that point.

c) Larger is the number of filed lies crossing per unit area, stronger is the magnitude of the field.

d) Magnetic field lines may intersect through each other in certain conditions.

Q4. Which of the following is correct-

a) Magnetic monopole exists.

b) Magnetic monopole does not exist.

c) Magnetic monopole has constant value of magnetic moment.

d) Magnetic moment increases when distance from the field increases.

Q5. What is the relation between BE and BA? BE is equatorial magnetic field. BA is axial magnetic field.

a) $B_E=2B_A$

b) $B_A=2B_E$

c) $B_E=4B_A$

d) $B_A=4B_E$

Q6. There is a square of side d. Two short bar magnets are arranged at the opposite corners of the sides such that the centers of the bar magnets coincide with the corners and their axes are parallel. Like poles of the bar magnets are placed in the same direction. What would be the magnetic induction at any of other corners of the square?

a) $\frac{\mu_0}{4\pi}\frac m{d^3}$

b) $\frac{\mu_0}{4\pi}\frac {2m}{d^3}$

c) $\frac{\mu_0}{4\pi}\frac m{2d^3}$

d) $\frac{\mu_0}{4\pi}\frac {m^3}{2d^3}$

Q7. A bar magnet is cut into two equal pieces. Magnet is cut perpendicularly. Magnetic moment of the magnet is M, and moment of inertia is I (about center, perpendicular to length). What would be the time period of oscillations of these pieces when kept in a magnetic field B? The time period of the original magnet was T.

a) T/2

b) 3T/4

c) 5T/2

d) T

Q8. What would be the force on a current carrying wire if placed between the poles of two fixed bar magnets.

Q9. Two identical bar magnets are placed with their centers at a distance d apart. A stationary charge Q is placed in between the gap of the two magnets. What would be the force on the charge?

a) Zero.

b) Directed along OP.

c) Directed along PO.

d) Directed perpendicular to the plane of paper.

Q10. What would be the torque and magnetic potential energy of a magnetic dipole in most stable position? The magnet is placed in a uniform magnetic field B. Magnetic moment of the magnet is m.

a) -mB, 0

b) mB, 0

c) 0, mB

d) 0, -mB

Q11. When you place a current carrying coil in a magnetic field, its potential energy gets affected. Arrange in the order of increasing potential energy.

a) 4,2,3,1

b) 1,4,2,3

c) 4,3,2,1

d) 1,2,3,4

Q12. Electrostatic shielding and magnetostatic shielding are not one and same thing. Which of the following is not showing the essential difference between the two?

a) Electrostatic field lines can end on charges and conductors have free charges.

b) Magnetic field lines can end but conductors cannot end them.

c) Lines of magnetic field cannot end on any material and perfect shielding is not possible.

d) Shells of high permeability materials can be used to divert lines of magnetic field from the interior region.

Q13. You place a closed surface in a magnetic field. What is the net flux through the surface?

a) Zero.

b) $\frac{\mu_0}{4\pi}$

c) $4\pi\mu_0$

d) $\frac{4\mu_0}\pi$

Q14. Which one of the following magnetic fields are correctly depicted?

Q15. What is the direction of earth’s magnetic field?

a) From geographic north to south

b) From geographic south to north

c) From geographic east to west

d) From geographic west to east

Q16. The strength of earth’s magnetic field is-

a) Constant everywhere.

b) Zero everywhere.

c) Very high.

d) Vary from place to place.

Q17. Earth’s magnetic field is due to-

a) Convective currents in earth’s core.

b) Diversive current in earth’s core.

c) Rotational motion of earth.

d) Translation motion of earth.

Q18. Which of the following is not used to specify earth’s magnetic field-

a) Magnetic declination.

b) Magnetic dip.

c) Horizontal component of earth’s field.

d) Vertical component of earth’s field.

Q19. If you model earth’s magnetic field by a point magnetic dipole at the center of the earth, then what would be the angle of the dip at a point on the geographical equator?

a) Always zero.

b) Positive, negative or zero.

c) Unbounded.

d) Always negative.

Q20. What is the responsible factor for the departing of earth’s magnetic field at a large distance (greater than 3000 km) from its dipole shape-

a) Motion of ions in earth’s ionosphere.

b) Motion of ions in earth’s atmosphere.

c) Motion of ions in earth’s lithosphere.

d) Motion of ion in the space.

Q21. Which of the following is not correct-

a) Magnetic permeability is dimensionless.

b) Value of magnetic permeability is one.

c) For ferromagnetic materials, magnetic permeability is very larger than one.

d) For paramagnetic materials, magnetic permeability is larger than one.

Q22. Which one is a set of diamagnetic substances-

a) Aluminium, sodium calcium and oxygen.

b) Bismuth, copper, lead and silicon.

c) Cobalt, nickel, gadolinium and aluminium.

d) Silver, niobium, magnesium and calcium.

Q23. Which one of the following is universal magnetic property-

a) Ferromagnetism

b) Diamagnetism

c) Paramagnetism

d) Anti-ferromagnetism

Q24. Superconductors are-

a) Most exotic diamagnetic materials.

b) Ferromagnetic material with low resistivity.

c) Paramagnetic materials at high temperature.

d) None of these.

Q25. Magnetic susceptibility of a diamagnetic substance-

a) Increases with increase in temperature.

b) Increases with decrease in temperature.

c) Remains constant with change in temperature.

d) None of these.

Q26. Magnetic susceptibility of a material is -1. What would be the relative magnetic permeability and type of this magnetic material?

a) 0, diamagnetic

b) 2, ferromagnetic

c) 1, paramagnetic

d) -1, diamagnetic

Q27. You dip a ball made of some superconducting material in liquid nitrogen and place it near a bar magnet. In which direction the ball will move-

a) Away from bar magnet.

b) Towards the bar magnet.

c) Around the bar magnet.

d) Remain constant.

Q28. What is the range of magnetic susceptibility and relative magnetic permeability for diamagnetic materials-

Q. Which of the following substance has maximum susceptibility-

a) Calcium.

b) Chromium.

c) Oxygen.

d) Tungsten.

Q29. Which of the following is best representation between magnetic susceptibility and temperature-

Q30. Which of the following is correct graph between M and H for paramagnetic material (at constant temperature) -

Q31. You take a paramagnetic liquid in a U-tube. The liquid is arranged in such a way that one of its limbs is kept between pole pieces of a magnet. What would happen to the level in the limb?

a) The level will go down.

b) The level will rise up.

c) The level will remain same.

d) The level will first go down and then rise up.

Q32. Which of the following is a set of ferromagnetic substances-

a) Iron, cobalt and nickel.

b) Iron, cobalt and lead.

c) Silicon, bismuth and nickel.

d) Aluminium, sodium and copper.

Q33. Which one of the following has magnetic susceptibility much greater than one-

a) Diamagnetic

b) Paramagnetic

c) Ferromagnetic

d) Non-magnetic

Q34. Which one of the following exhibits maximum magnetic permeability-

a) Ferromagnetic substances.

b) Diamagnetic substances.

c) Paramagnetic substances.

d) All of these.

Q35. Which of the following is a property of ferromagnetic substances-?

a) The ferromagnetic property depends on temperature.

b) The ferromagnetic property does not depend on temperature.

c) At high enough temperature ferromagnet becomes a diamagnet.

d) At low temperature ferromagnet becomes a paramagnet.

Q36. Nickel is a ferromagnet at room temperature. If you increase the temperature of the room beyond Curie temperature, then how would Nickel behave-?

a) As anti ferromagnetism

b) Will not show any magnetic property.

c) As diamagnet.

d) As paramagnet.

Q37. The temperature of transition from ferromagnetic property to paramagnetic property is called-

a) Transition temperature.

b) Critical temperature.

c) Curie temperature.

d) Triplet temperature.

Q38. Which of the following statements is incorrect-?

a) Retentivity of soft iron is more than retentivity of steel.

b) Coercitivity of soft iron is less than coercivity of steel.

c) Area of B-H curve in soft iron is smaller than the area of B-H curve in steel.

d) Area of B-H curve in soft iron is greater than the area of B-H curve in steel.

Q39. The hysteresis cycle for the material of a transformer core is-

a) Short and wide.

b) Tall and narrow.

c) Tall and wide.

d) Short and narrow.

Q40. What do you call the magnetizing field required to apply in opposite direction to remove residual magnetism?

a) Retentivity.

b) Coercivity.

c) Hysteresis.

d) Flux.

Q41. Which of the following material would you prefer to make the core of a moving coil galvanometer-?

a) Copper

b) Nickel

c) Iron

d) Copper and nickel

Q42. What are the necessary properties possessed by a material to become permanent magnets-

a) High retentivity, low coercivity and high permeability.

b) Low retentivity, low coercivity and low permeability.

c) Low retentivity, high coercivity and low permeability.

d) High retentivity, high coercivity and high permeability.

Q43. Permanent magnets are the substances having the property of-

a) Ferromagnetism at room temperature for a long period of time.

b) Paramagnetism at room temperature for a long period of time.

c) Anti-ferromagnetism at room temperature for a long period of time.

d) Diamagnetism at room temperature for a long period of time.

Q44. Core of electromagnets are made of ferromagnetic materials which have-

a) Low permeability and low retentivity.

b) High permeability and high retentivity.

c) High permeability and low retentivity.

d) Low permeability and high retentivity.

Q45. Identify the mismatched pair-

a) Hard magnet –Alnico

b) Soft magnet – Soft iron

c) Bar magnet – Equivalent solenoid

Electromagnet – Loud speaker

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