A resistance of 40 Ω is connected to a source... | Alternating Current | JEE Main

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JEE MAIN 2022

24-06-22 S1

Question

A resistance of 40 $\Omega$ is connected to a source of alternating current rated 220 V, 50 Hz. Find the time taken by the current to change from its maximum value to rms value :

Select the correct option:

A

2.5 ms

B

1.25 ms

C

2.5 s

D

0.25 s

✓ Correct! Well done.

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Solution

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