Current Electricity The current in the circuit having constant resistance is tripled. The power increases 1/3 times 3 times 1/9 times 9 times 1/3 times 3 times 1/9 times 9 times ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals First increases and then decreases Decreases Remains constant Increases First increases and then decreases Decreases Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Semi-conductors Inductors Insulators Conductors Semi-conductors Inductors Insulators Conductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of 220 V, 100 W lamp will be 4.84 Q 4840 Q 48.4 Q 484 ft 4.84 Q 4840 Q 48.4 Q 484 ft ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The electrical energy required to heat a bucket of water to a certain temperature is 4 kWh. If the heat losses are 20 percent, the energy input is 5 kWh 6 kWh 2 kWh 3.2 kWh 5 kWh 6 kWh 2 kWh 3.2 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The SI unit of power is Watt Watt-hour Coulomb Henry Watt Watt-hour Coulomb Henry ANSWER DOWNLOAD EXAMIANS APP
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