Current Electricity and Electrical InstrumentEasy
Question
The power dissipated in the circuit shown in the figure is 30 Watts. The value of R is
Options
A.30 Ω
B.20 Ω
C.15 Ω
D.10 Ω
Solution
Total power dissipated is 
= 30 watt
R = 10 Ω
= 30 wattR = 10 Ω
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