Current Electricity What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 Ω? 100 V 50 V 200 V 150 V 100 V 50 V 200 V 150 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The specific resistance of a metallic conductor ______ with rise in temperature. None of the listed here Remains unchanged Decreases Increases None of the listed here Remains unchanged Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The current in the circuit having constant resistance is tripled. The power increases 1/3 times 1/9 times 9 times 3 times 1/3 times 1/9 times 9 times 3 times ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following is the best conductor of electricity? Copper Zinc Silver Gold Copper Zinc Silver Gold ANSWER DOWNLOAD EXAMIANS APP
Current Electricity No current flow between two charged bodies if they have same None of the listed here Capacity Potential Charge None of the listed here Capacity Potential Charge ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Temperature coefficient of resistance is expressed in terms of ohms/ohm°C mhos/°C ohms/°C mhos/ohm°C ohms/ohm°C mhos/°C ohms/°C mhos/ohm°C ANSWER DOWNLOAD EXAMIANS APP