Current Electricity A closed switch has a resistance of About 50 ohms Infinity About 500 ohms Zero About 50 ohms Infinity About 500 ohms Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a circuit a 33 Q resistor carries a current of 2 A. The voltage across the resistor is 80 V 132 V 66 V 33 V 80 V 132 V 66 V 33 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a carbon filament lamp _______ as the applied voltage increases. None of the listed here Increases Decreases Remains same None of the listed here Increases Decreases Remains same 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 Positive None of the listed here Negative Zero Positive None of the listed here Negative Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 3 Q resistor having 2 A current will dissipate the power of 2 watts 4 watts 6 watts 8 watts 2 watts 4 watts 6 watts 8 watts ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Constantan wire is used for making starndard resistance because it has High melting point High specific resistance Negligibly small temperature co-efficient of resistance Low specific resistance High melting point High specific resistance Negligibly small temperature co-efficient of resistance Low specific resistance ANSWER DOWNLOAD EXAMIANS APP
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