Current Electricity What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 Ω? 50 V 100 V 200 V 150 V 50 V 100 V 200 V 150 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a carbon filament lamp _______ as the applied voltage increases. Remains same Increases None of the listed here Decreases Remains same Increases None of the listed here Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be 1/3 times 1/9 times 3 times 9 times 1/3 times 1/9 times 3 times 9 times ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Insulators Conductors Semi-conductors Inductors Insulators Conductors Semi-conductors Inductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity It becomes more difficult to remove Any electron from the orbit First electron from the orbit Third electron from the orbit Second electron from the orbit Any electron from the orbit First electron from the orbit Third electron from the orbit Second electron from the orbit ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A resistance having rating 10 ohms , 10 W is likely to be a Metallic resistor Variable resistor Wire wound resistor Carbon resistor Metallic resistor Variable resistor Wire wound resistor Carbon resistor ANSWER DOWNLOAD EXAMIANS APP
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