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In an electric circuit, potential differ...

In an electric circuit, potential difference across a lamp is 20 V and current through the lamp is 0.5A. The resistance of the lamp is

A

`10Omega`

B

`20Omega`

C

`30Omega`

D

`40Omega`

Text Solution

Verified by Experts

The correct Answer is:
D
`R=(V)/(I)=(20)/(0.5)= 40 Omega`
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