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. A) fig2: Loop moving South, no induced current. B) fig2: Loop moving East, induced current 'a'.1 C) fig I: Magnet moving West, induced current 'b'. D) fig1: Loop moving West, induced current 'b'. E) figl: Magnet moving East, induced current 'b'. F) fig2: Loop moving North, induced current 'b'.

Explanation / Answer

A) True as the loop move south no flux change takes place so no induced current.

B) False As the loop moves east magnetic flux linked with the circuit increases and according to lenzes las induced current will try to reduce the flux.

C) True As the magnet moves west magnetic flux linked with the circuit increases and according to lenzes las induced current will try to reduce the flux.

D) False As the loop moves west magnetic flux linked with the circuit decreases and according to lenzes las induced current will try to increase the flux.

E) False As the magnet moves east magnetic flux linked with the circuit decreases and according to lenzes las induced current will try to increase the flux.

F) False as the loop move north no flux change takes place so no induced current.

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