Hi Madhav!
The sum of the interior angles of a quadrilateral is: $360^\circ$
A quadrilateral can be divided into 2 triangles, and each triangle has angle sum $180^\circ$
So, $180^\circ + 180^\circ = 360^\circ$
Question : The induced current is highest when the direction of motion of the coil is:
Option 1: Not at right angles to the magnetic field.
Option 2: At right angles to the electricity.
Option 3: At right angles to the electric source.
Option 4: At right angles to the magnetic field.
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