Current Electricity Electrical current is due to the flow of Neutral particles only Both positive and negative charges Positive charges only Negative charges only Neutral particles only Both positive and negative charges Positive charges only Negative charges only ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A thermistor has Negative temperature coefficient Variable temperature coefficient Zero temperature coefficient Positive temperature coefficient Negative temperature coefficient Variable temperature coefficient Zero temperature coefficient Positive temperature coefficient ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In an electric kettle water boils in 10 m minutes. It is required to boil the boiler in 15 minutes, using same supply mains None of these Length of heating element has no effect on heating if water Length of heating element should be increased Length of heating element should be decreased None of these Length of heating element has no effect on heating if water Length of heating element should be increased Length of heating element should be decreased ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 3 Q resistor having 2 A current will dissipate the power of 4 watts 8 watts 6 watts 2 watts 4 watts 8 watts 6 watts 2 watts ANSWER DOWNLOAD EXAMIANS APP
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 36 Q 64 Q 48 Q 18 Q 36 Q 64 Q 48 Q ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following statement is true both for a series and a parallel D.C. circuit? Power are additive Currents are additive Elements have individual currents Voltages are additive Power are additive Currents are additive Elements have individual currents Voltages are additive ANSWER DOWNLOAD EXAMIANS APP