Current Electricity Electrical current is due to the flow of Both positive and negative charges Positive charges only Negative charges only Neutral particles only Both positive and negative charges Positive charges only Negative charges only Neutral particles only ANSWER DOWNLOAD EXAMIANS APP
Current Electricity All good conductors have high Resistance Thermal conductivity Reluctance Conductance Resistance Thermal conductivity Reluctance Conductance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to High currents Semi-conductors Dc circuits Small resistors High currents Semi-conductors Dc circuits Small resistors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The hot wire of electric bulb's filament is higher than its cold resistance because the temperature co-efficient of filament is Negative None of the listed here Positive Zero Negative None of the listed here Positive Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A thermistor has Positive temperature coefficient Zero temperature coefficient Negative temperature coefficient Variable temperature coefficient Positive temperature coefficient Zero temperature coefficient Negative temperature coefficient Variable temperature coefficient ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current passing through the circuit produces Magnetic effect Thermal effect Luminous effect Chemical effect Magnetic effect Thermal effect Luminous effect Chemical effect ANSWER DOWNLOAD EXAMIANS APP
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