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A pure inductor of 25.0 mH is connected ...

A pure inductor of 25.0 mH is connected to a source of 220 V. Find the inductive reactance and rms current in the circuit if the frequency of the source is 50 Hz.

A

7A

B

14A

C

28A

D

42A

Text Solution

Verified by Experts

The correct Answer is:
C
`L = 25 mH, V_(rms) = 220 V, f = 50 Hz `
`X_(L) = 2 pi f L = 2 pi xx 50 xx 25 xx 10^(-3)`
`I_(rms) = (V_(rms))/(X_(L)) = (220)/(2pi xx 50 xx 25 xx 10^(-3)) = 28 A `
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