Thermal effect of current
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80k UsersThe heat generated in 5 resistor due to current flowing through it is 10 cal per sec. The heat generated in 4 resistor (in cal/sec) is _________
Resistance in upper branch is 10 and in lower branch is 5. Thus, if current in lower branch is i, current in upper branch is (i/2).
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If the length of the filament of a heater is reduced by 10% by cutting its length, the power of the heater will be nearly, (if constant voltage is maintained across the heater)
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