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 In a circuit a 33 Q resistor carries a current of 2 A. The voltage across the resistor is 33 V 132 V 80 V 66 V 33 V 132 V 80 V 66 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a material always decreases if None of these Temperature of material is increased Number of free electrons available becomes more Temperature of material is decreased None of these Temperature of material is increased Number of free electrons available becomes more Temperature of material is decreased ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In the case of direct current Magnitude and direction of current remains constant Magnitude of current remains constant Magnitude and direction of current changes with time Magnitude of current changes with time Magnitude and direction of current remains constant Magnitude of current remains constant Magnitude and direction of current changes with time Magnitude of current changes with time ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The current in the circuit having constant resistance is tripled. The power increases 3 times 9 times 1/3 times 1/9 times 3 times 9 times 1/3 times 1/9 times ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The SI unit of power is Coulomb Watt-hour Watt Henry Coulomb Watt-hour Watt Henry ANSWER DOWNLOAD EXAMIANS APP
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