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Maximum power transfer to external circu...


Maximum power transfer to external circuit by the battery in watt is `P_(0)`. Find `(P_(0))/(10)`. (EMF of the battery is `E=10V` and its internal resistance is `r=0.5Omega`)

A

`infty`

B

`0`

C

without value of R cannot be calculated

D

50 watt

Text Solution

Verified by Experts

The correct Answer is:
D

For maximum power transfer in external circuit R=0
Now circuit will become
Power transfer in external resistance `0.5Omega` is sae as power transfer in external circuit
`=((10)/(0.5+0.5))^(2)xx0.5=50` watt
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