Current Electricity Sparking occurs when a load is switched off because the circuit has high Impedance Capacitance Resistance Inductance Impedance Capacitance Resistance Inductance 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 Positive Zero None of the listed here Negative Positive Zero None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 5 : 2 4 : 25 2 : 5 25 : 4 5 : 2 4 : 25 2 : 5 25 : 4 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ampere-hour is the unit of Energy Quantity of electricity Power Strength of current Energy Quantity of electricity Power Strength of current ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to High currents Dc circuits Small resistors Semi-conductors High currents Dc circuits Small resistors Semi-conductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a carbon filament lamp _______ as the applied voltage increases. Decreases Increases Remains same None of the listed here Decreases Increases Remains same None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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