Current Electricity Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be 9 times 1/3 times 3 times 1/9 times 9 times 1/3 times 3 times 1/9 times ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to Semi-conductors Small resistors Dc circuits High currents Semi-conductors Small resistors Dc circuits High currents ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An instrument which detects electric current is known as Voltmeter Wattmeter Galvanometer Rheostat Voltmeter Wattmeter Galvanometer Rheostat ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A thermistor has Positive temperature coefficient Negative temperature coefficient Variable temperature coefficient Zero temperature coefficient Positive temperature coefficient Negative temperature coefficient Variable temperature coefficient Zero temperature coefficient ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two resistances Rl and Ri are connected in series across the voltage source where Rl > Ri. The largest drop will be across Either Rl or Ri Ri Rl None of them Either Rl or Ri Ri Rl None of them ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire is stretched so that its length is increased by 0.1 % . The change in its resistance is 0.3% 0.2% None of the listed here 0.4% 0.3% 0.2% None of the listed here 0.4% ANSWER DOWNLOAD EXAMIANS APP
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