Current Electricity If the efficiency of a machine is to be high, what should be low? Losses True component of power kWh consumed Input power Losses True component of power kWh consumed Input power ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a circuit a 33 Q resistor carries a current of 2 A. The voltage across the resistor is 80 V 66 V 33 V 132 V 80 V 66 V 33 V 132 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The current in the circuit having constant resistance is tripled. The power increases 9 times 1/3 times 1/9 times 3 times 9 times 1/3 times 1/9 times 3 times ANSWER DOWNLOAD EXAMIANS APP
Current Electricity E. M. F. In a circuit Decrease circuit resistance Maintains potential difference None of the listed here Increases circuit resistance Decrease circuit resistance Maintains potential difference None of the listed here Increases circuit resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Whether circuit may be AC. or D.C. one, following is most effective in reducing the magnitude of the current. Reactor Capacitor Inductor Resistor Reactor Capacitor Inductor Resistor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An instrument which detects electric current is known as Wattmeter Voltmeter Galvanometer Rheostat Wattmeter Voltmeter Galvanometer Rheostat ANSWER DOWNLOAD EXAMIANS APP