Current Electricity If the efficiency of a machine is to be high, what should be low? True component of power kWh consumed Losses Input power True component of power kWh consumed Losses Input power ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The thickness of insulation provided on the conductor depends on The magnitude of voltage on the conductor The magnitude of current flowing through it Both magnitude of voltage and current None of the listed here The magnitude of voltage on the conductor The magnitude of current flowing through it Both magnitude of voltage and current None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals Remains constant Decreases First increases and then decreases Increases Remains constant Decreases First increases and then decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 3 Q resistor having 2 A current will dissipate the power of 2 watts 6 watts 4 watts 8 watts 2 watts 6 watts 4 watts 8 watts 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 60 W 40 W 10 W 20 W 60 W 40 W 10 W 20 W ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One commercial unit of energy equals Ten kilowatt-hour One watt-hour One watt-hour One kilowatt-hour Ten kilowatt-hour One watt-hour One watt-hour One kilowatt-hour ANSWER DOWNLOAD EXAMIANS APP
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