Current Electricity Ohm's law is not applicable to Dc circuits Semi-conductors High currents Small resistors Dc circuits Semi-conductors High currents Small resistors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The weight of an aluminium conductor as compared to a copper conductor of identical cross-section, for the same electrical resistance, is 0.6 1 1.5 0.5 0.6 1 1.5 0.5 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually None of the listed here A conductor A semiconductor An insulator None of the listed here A conductor A semiconductor An insulator 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 9 Ω 12.1 Ω 11 Ω 10 Ω 9 Ω 12.1 Ω 11 Ω 10 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A resistance having rating 10 ohms , 10 W is likely to be a Carbon resistor Metallic resistor Variable resistor Wire wound resistor Carbon resistor Metallic resistor Variable resistor Wire wound resistor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the efficiency of a machine is to be high, what should be low? Input power True component of power kWh consumed Losses Input power True component of power kWh consumed Losses ANSWER DOWNLOAD EXAMIANS APP
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