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16/02/2022 11:28 am
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A coil is placed in a magnetic field \(\vec{B}\) as shown below:
A current is induced in the coil because \(\vec{B}\) is
(1) Outward and decreasing with time
(2) Parallel to the plane of coil and decreasing with time
(3) Outward and increasing with time
(4) Parallel to the plane of coil and increasing with time
1 Answer
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16/02/2022 11:31 am
Correct answer: (1) Outward and decreasing with time
Explanation:
\(\vec{B}\) must not be parallel to the plane of coil for non zero flux and according to lenz law if B is outward it should be decreasing for anticlockwise induced current.