The figures below show two different situations where a current may be induced i

Question

The figures below show two different situations where a current may be induced in a loop according to Faraday's Law, with the direction given by Lenz' Law. The magnetic field is shown by the x's in Fig. 2. Select true or false for the current in the loop. (The compass directions are defined in the usual way.)

The figures below show two different situations where a current may be induced in a loop according to Faraday's Law, with the direction given by Lenz' Law. The magnetic field is shown by the X's in Fig, 2. Select true or false for the current in the Joop. (The Compass directions are defined in the usual way.) X X X X X a x X XX X X X X X X X fig 1. X X X X X fig 2 X X X X X True fig1: Magnet moving East, induced current 'a'. False fig1: Loop moving West, induced current 'a False fig1: Magnet moving West, induced current 'a'. True fig2: Loop moving South, no induced current. Faise fig2: Loop moving East, induced current 'b' False fig 2: Loop moving North, induced current 'b The induced current tends to oppose any change in PHI of the coil. Submit Answel Incorrect. Tries 1/10 Previous Tries

Explanation / Answer

a) g1: Magnet moving East, induced current ‘a’.
True.

b) g1: Loop moving West, induced current ‘a’.
True.

c) g1: Magnet moving West, induced current ‘a’.
False. The induced current would be in the b direction.

d) g2: Loop moving South, no induced current.
True

e) g2: Loop moving East, induced current ‘b’.
True. The loop is The loop is moving into an area of lesser magnetic eld, and is going to compensate by inducing a current in the b direction.

f) g2: Loop moving North, induced current ‘b’.
False. There is no induced current, as the magnetic eld is constant from N to S.

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