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In the circuit shown the voltage drop ac...

In the circuit shown the voltage drop across the `15Omega` resistor is `30 V` having the polarity as indicated. The ratio of potential difference across `5Omega` and resistance `R` is

A

`2//7`

B

`0.4`

C

`5//7`

D

1

Text Solution

Verified by Experts

The correct Answer is:
D

Applying loop equation in closed loop we have, `+100-30-35-2R=0`
`:. 2R=35V=V_R`
`V_(5Omega)=7xx5=35V`
`:. V_(5Omega)/V_R=1`
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