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A battery of four cells in series each h...

A battery of four cells in series each having an efm of 1.5 V and internal resistance `1Omega` are connected in series with an ammeter, a coil of resistance `2Omega` and a filament lamp. If the ammeter reads 0.5 A, the resistance of the filament lamp is

A

`4 Omega`

B

`6 Omega`

C

`2 Omega`

D

`12 Omega`

Text Solution

Verified by Experts

The correct Answer is:
B
`i=(nE)/(R+nr)`
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