Questions
In the circuit shown in fig. the rate of heat produced in the 5 ohm resistor is 20 J
detailed solution
Correct option is D
for 5 ohm resistor i25= 20 i=2 A current in the upper branch will be 1 A as resistance is double 10 ohm in 4 ohm resitance power consumption 12 4 = 4 Js-1Talk 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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