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The pd across terminals of a cell is fou...

The pd across terminals of a cell is found to be 29 volt and 28 volt respectively when it delivers a current of 1 ampere and 2 ampere respectively. The emf and internal resistance of a cell are respectively

A

`30V, 2ohm`

B

`30V, 1ohm`

C

`29V, 1ohm`

D

`28V, 2ohm`

Text Solution

Verified by Experts

The correct Answer is:
B
`r = ((E - V)/V)R`
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