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A cell has an emf of 1.5V. When short ci...

A cell has an emf of 1.5V. When short circuited, it gives a current of 3A. The internal resistance of the cell is

A

`0.5Omega`

B

`2.0Omega`

C

`4.5Omega `

D

`(1)/(4.5)Omega`

Text Solution

Verified by Experts

The correct Answer is:
A
Internal resistance, `r=(xi)/(I) =(1.5)/(3)=0.5Omega`
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