Current Electricity The example of non-ohmic resistance is Copper wire tungsten wire Carbon resistance Aluminium wire Copper wire tungsten wire Carbon resistance Aluminium wire ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Constantan wire is used for making starndard resistance because it has Low specific resistance Negligibly small temperature co-efficient of resistance High melting point High specific resistance Low specific resistance Negligibly small temperature co-efficient of resistance High melting point High specific resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Out of the following which is not a poor conductor? Cast iron Copper Tungsten Carbon Cast iron Copper Tungsten Carbon 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 10 Ω 11 Ω 12.1 Ω 9 Ω 10 Ω 11 Ω 12.1 Ω 9 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Constantan Silver Carbon Copper Constantan Silver Carbon Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will None of these Increase Remain constant Decrease None of these Increase Remain constant Decrease ANSWER DOWNLOAD EXAMIANS APP
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