Question:
Near a circular loop of conducting wire as shown in the figure an electron moves along a straight line. The direction of the induced current if any in the loop is
Near a circular loop of conducting wire as shown in the figure an electron moves along a straight line. The direction of the induced current if any in the loop is
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Approaching charge = One direction; Receding charge = Opposite direction.
Updated On: Apr 10, 2026
- variable
- clockwise
- anticlockwise
- zero
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The Correct Option is A
Solution and Explanation
Step 1: Flux Change
As the electron approaches the loop, the magnetic flux linked with the loop increases.
Step 2: Approaching Phase
Lenz's law dictates a current is induced to oppose this increase, creating a clockwise current.
Step 3: Receding Phase
As the electron moves away, the flux decreases, inducing an anticlockwise current to oppose the decrease. Thus, the direction is variable.
Final Answer: (a)
As the electron approaches the loop, the magnetic flux linked with the loop increases.
Step 2: Approaching Phase
Lenz's law dictates a current is induced to oppose this increase, creating a clockwise current.
Step 3: Receding Phase
As the electron moves away, the flux decreases, inducing an anticlockwise current to oppose the decrease. Thus, the direction is variable.
Final Answer: (a)
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