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If power in external resistance R is max...

If power in external resistance `R` is maximum, then

(i) `R = r`
(ii) Power in `R` is `(E^2)/(4R)`
(iii) Input power is `(E^2)/(2R)`
(iv) Efficiency is `50%`

A

(i) , (ii)

B

(ii), (iii)

C

(i),(iii),(iv)

D

all

Text Solution

Verified by Experts

The correct Answer is:
D
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