1. When moving a permanent bar magnet in and out of a conductor formed into a lo

Question

1. When moving a permanent bar magnet in and out of a conductor formed into a loop, how could the magnitude of the induced current in a loop be increased: Hint 1: Induced current A) move the magnet faster B) increase the area of the loop C) get a stronger bar magnet D) increase the number of turns of the loop E) all of the above Use 3 sig figs: 0.00234 OR 2.34E-3; use capital E! 2. When moving a permanent bar magnet into a conductor formed into a loop, how could the magnitude of the induced current in a loop be decreased; Hint 1: Induced current: interactive A) move the magnet faster B) decrease the area of the loop C) get a weaker bar magnet D) A) and B) E) B) and C)

Explanation / Answer

A. Induced current may be expressed as

i= NBA/(R t)

So all of the above is correct.

Option (e) is correct.

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2. Option (b) & (c) are applicable.

Option (e) is correct.

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Comment in case any doubt..goodluck

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