In the figure, the current in a solenoid having no appreciable resistance is flo

Question

In the figure, the current in a solenoid having no appreciable resistance is flowing frombtoaand is decreasing at a rate of 9.6 A/s. The self-induced emf in the solenoid is found to be 8.4 V.

(a) What is the self-inductance of the solenoid?

(b) Which point,aorbis at higher potential?

In the figure, the current in a solenoid having no appreciable resistance is flowing frombtoaand is decreasing at a rate of 9.6 A/s. The self-induced emf in the solenoid is found to be 8.4 V. What is the self-inductance of the solenoid? Which point,aorbis at higher potential?

Explanation / Answer

A)self inductance=8.4/(9.6) =0.875 L

b) b is at a higher potential

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