Questions
Charge flowing through a 10Ω resistor varies with time as shown in the figure. Then power dissipated in the resistor is zero at the instant t =
detailed solution
Correct option is C
Power dissipated P = i2R Now i=dQdt=slope of Q-t graph. From the diagram, i is zero at t = 2s.Hence option (3) is correct.Talk to our academic expert!
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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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