First slide

Inductance

Question

In a transformer, the coefficient of mutual inductance between the primary and the secondary coil is 0.2 henry. When the current changes by 5 ampere/second in the primary, the induced e.m.f. in the secondary will be

Moderate

A

5 V
B

1 V
C

25 V
D

10 V

Solution

$e = M \frac{di}{dt} = 0 .2 \times 5 = 1 V$

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App