Current Electricity A copper wire is stretched so that its length is increased by 0.1 % . The change in its resistance is 0.3% 0.2% 0.4% None of the listed here 0.3% 0.2% 0.4% None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Constantan wire is used for making starndard resistance because it has High specific resistance High melting point Negligibly small temperature co-efficient of resistance Low specific resistance High specific resistance High melting point Negligibly small temperature co-efficient of resistance Low specific resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The thickness of insulation provided on the conductor depends on Both magnitude of voltage and current The magnitude of current flowing through it None of the listed here The magnitude of voltage on the conductor Both magnitude of voltage and current The magnitude of current flowing through it None of the listed here The magnitude of voltage on the conductor 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 The example of non-ohmic resistance is Aluminium wire tungsten wire Copper wire Carbon resistance Aluminium wire tungsten wire Copper wire Carbon resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For testing appliances, the wattage of test lamp should be High Low Any value Very low High Low Any value Very low ANSWER DOWNLOAD EXAMIANS APP
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