Current Electricity In which of the following substances the resistance decreases with increase in temperature? Silver Carbon Copper Constantan Silver Carbon Copper Constantan ANSWER DOWNLOAD EXAMIANS APP
Current Electricity E. M. F. In a circuit Maintains potential difference Decrease circuit resistance Increases circuit resistance None of the listed here Maintains potential difference Decrease circuit resistance Increases circuit resistance None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In the case of direct current Magnitude of current remains constant Magnitude and direction of current remains constant Magnitude of current changes with time Magnitude and direction of current changes with time Magnitude of current remains constant Magnitude and direction of current remains constant Magnitude of current changes with time Magnitude and direction of current changes with time ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current passing through the circuit produces Chemical effect Magnetic effect Luminous effect Thermal effect Chemical effect Magnetic effect Luminous effect Thermal effect ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One Newton meter is same as Five joules One joule second One watt One joule Five joules One joule second One watt One joule ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to Circuits with low current densities Vaccum tubes Carbon resistors High voltage circuits Circuits with low current densities Vaccum tubes Carbon resistors High voltage circuits ANSWER DOWNLOAD EXAMIANS APP
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