Current Electricity The resistance of a parallel circuit consisting of two branches is 12 ohms. If the resistance of one branch is 18 ohms, what is the resistance of the other? 18 Q 48 Q 36 Q 64 Q 18 Q 48 Q 36 Q 64 Q ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Copper Carbon Manganin Porcelain Copper Carbon Manganin Porcelain ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A thermistor has Negative temperature coefficient Positive temperature coefficient Zero temperature coefficient Variable temperature coefficient Negative temperature coefficient Positive temperature coefficient Zero temperature coefficient Variable temperature coefficient ANSWER DOWNLOAD EXAMIANS APP
Current Electricity E. M. F. In a circuit Increases circuit resistance None of the listed here Decrease circuit resistance Maintains potential difference Increases circuit resistance None of the listed here Decrease circuit resistance Maintains potential difference ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals Remains constant First increases and then decreases Increases Decreases Remains constant First increases and then decreases Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The SI unit of power is Coulomb Henry Watt-hour Watt Coulomb Henry Watt-hour Watt ANSWER DOWNLOAD EXAMIANS APP
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