A coil is placed in a magnetic

Question:

A coil is placed in a magnetic field $\overrightarrow{\mathrm{B}}$ as shown below:

A current is induced in the coil because $\overrightarrow{\mathrm{B}}$ 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


Correct Option: 1

Solution:

$\overrightarrow{\mathrm{B}}$ 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.

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