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The power dissipated in resistor R(3) sh...

The power dissipated in resistor `R_(3)` shown in the figure is 15 W. The reading the ammeter is 500 mA and the reading of the voltmeter is 10 V. Ammeter, voltmeter and battery are ideal.

Find the resistance `R_(3)`

A

A) `10 Omega`

B

B) `7.5 Omega`

C

C) `20 Omega`

D

D) `25 Omega`

Text Solution

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The correct Answer is:
B
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