Current Electricity Ohm's law is not applicable to Semi-conductors Dc circuits Small resistors High currents Semi-conductors Dc circuits Small resistors High currents 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 Zero Positive None of the listed here Negative Zero Positive None of the listed here Negative ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric pressure is also called Power Resistance Energy Voltage Power Resistance Energy Voltage ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a tungsten lamp _____ as applied voltage increases. None of the listed here Decreases Remains same Increases None of the listed here Decreases Remains same Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Sparking occurs when a load is switched off because the circuit has high Capacitance Impedance Inductance Resistance Capacitance Impedance Inductance Resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals First increases and then decreases Remains constant Increases Decreases First increases and then decreases Remains constant Increases Decreases ANSWER DOWNLOAD EXAMIANS APP