Current Electricity If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes 0.4 ohm 0.6 ohm 1.0 ohm 0.8 ohm 0.4 ohm 0.6 ohm 1.0 ohm 0.8 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The current in the circuit having constant resistance is tripled. The power increases 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 Sparking occurs when a load is switched off because the circuit has high Inductance Resistance Impedance Capacitance Inductance Resistance Impedance Capacitance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire has a resistance of 10 Ω. It is stretched by one-tenth of its original length. Then its resistance will be 12.1 Ω 9 Ω 10 Ω 11 Ω 12.1 Ω 9 Ω 10 Ω 11 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An instrument which detects electric current is known as Galvanometer Wattmeter Rheostat Voltmeter Galvanometer Wattmeter Rheostat Voltmeter ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals 20 W 40 W 60 W 10 W 20 W 40 W 60 W 10 W ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS