Current Electricity If the efficiency of a machine is to be high, what should be low? Input power kWh consumed Losses True component of power Input power kWh consumed Losses True component of power ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to High currents Small resistors Semi-conductors Dc circuits High currents Small resistors Semi-conductors Dc circuits ANSWER DOWNLOAD EXAMIANS APP
Current Electricity International ohm is defined in terms of the resistance of The unit length of wire A cube of copper A column of mercury A cube of carbon The unit length of wire A cube of copper A column of mercury A cube of carbon ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The maximum current rating for a 10 kΩ, 0.5 W resistor is 14.14 mA 7.07 mA 28.28 mA 0.707 mA 14.14 mA 7.07 mA 28.28 mA 0.707 mA ANSWER DOWNLOAD EXAMIANS APP
Current Electricity At 0 K, germanium behaves as A superconductor An insulator A conductor A ferromagnetic substance A superconductor An insulator A conductor A ferromagnetic substance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A rheostat differs from potentiometer in the respect that it Offers large number of tapping Has higher wattage rating Has large number of turns Has lower wattage rating Offers large number of tapping Has higher wattage rating Has large number of turns Has lower wattage rating ANSWER DOWNLOAD EXAMIANS APP
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