27. A rectangular sheet of iron metal is connected to a string and allowed to swing freely as a simple pendulum. When placed between a north pole and south pole of a magnet, it experiences magnetic damping and quickly slows down to a standstill. Which of the following changes would reduce the magnetic damping felt by the sheet? a. Increasing the strength of the magnetic field. b. Adding slots to the sheet. c. Both a and b d. None of the above
27. A rectangular sheet of iron metal is connected to a string and allowed to swing freely as a simple pendulum. When placed between a north pole and south pole of a magnet, it experiences magnetic damping and quickly slows down to a standstill. Which of the following changes would reduce the magnetic damping felt by the sheet? a. Increasing the strength of the magnetic field. b. Adding slots to the sheet. c. Both a and b d. None of the above
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Transcribed Image Text:27. A rectangular sheet of iron metal is connected to a string and allowed to swing freely as a simple
pendulum. When placed between a north pole and south pole of a magnet, it experiences
magnetic damping and quickly slows down to a standstill. Which of the following changes would
reduce the magnetic damping felt by the sheet?
a. Increasing the strength of the magnetic field.
b. Adding slots to the sheet.
c. Both a and b
d. None of the above
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