Questions
The current in C is 2 A. The rate of heat loss in A, B and c are 1.20, 0.60 and 1.20 J/s, respectively. The emf of the cell [for cell internal resistance - 0] is
detailed solution
Correct option is B
Power = EI⇒ 1.20 +0.60 +1.20 = E × 2 ⇒ E=1.5 VTalk to our academic expert!
Similar Questions
A resistor R is connected across a battery of emf 12 V. It observed that terminal potential differenceis 9 V and the power delivered to resistor is 18 W. Internal resistance of the battery ‘r’ and the resistance R are respectively
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