First slide

Electrical power

Question

Find the power supplied by 20 V cell in the figure shown.

Moderate

A

$- 10 W$
B

20 W
C

$- 20 W$
D

10 W

Solution

Taking point A as reference potential and its potential to be 0 : I = 20 A
Power supplied by 20V cell $= - 20 \times 1 = - 20 W$

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