Current Electricity The current in the circuit having constant resistance is tripled. The power increases 1/9 times 3 times 1/3 times 9 times 1/9 times 3 times 1/3 times 9 times ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A resistance having rating 10 ohms , 10 W is likely to be a Metallic resistor Wire wound resistor Carbon resistor Variable resistor Metallic resistor Wire wound resistor Carbon resistor Variable resistor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 Ω? 50 V 150 V 100 V 200 V 50 V 150 V 100 V 200 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One Newton meter is same as One watt One joule second One joule Five joules One watt One joule second One joule Five joules ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a copper wire 200 m long is 21 ω. If its thickness (diameter) is 0.44 mm, its specific resistance is around 1.2 x 10-8 ω-m 1.4 x 10-8 ω-m 1.6 x 10-8 ω-m 1.8 x 10-8 ω-m 1.2 x 10-8 ω-m 1.4 x 10-8 ω-m 1.6 x 10-8 ω-m 1.8 x 10-8 ω-m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An electric filament bulb can be worked from DC supply only Battery supply only AC supply only All of the listed here DC supply only Battery supply only AC supply only All of the listed here ANSWER DOWNLOAD EXAMIANS APP