Questions
In the circuit shown in fig. the rate of heat produced in the 5 resistor is 20
detailed solution
Correct option is D
i2R=20i2=4i=2ACurrent in other branch where R=10ΩI = 1ARate of heat produced in 4ΩH=i2R=124=4Talk to our academic expert!
Similar Questions
In an electrical cable there is a single wire of radius 9 mm of copper. Its resistance is 5Ω . The cable is replaced by 6 different insulated copper wires, the radius of each wire is 3 mm . Now the total resistance of the cable will be
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