Current Electricity What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 Ω? 100 V 150 V 200 V 50 V 100 V 150 V 200 V 50 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Varistors are Resistor with zero temperature co-efficient Non-linear resistors Carbon resistors Insulators Resistor with zero temperature co-efficient Non-linear resistors Carbon resistors Insulators ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire is stretched so that its length is increased by 0.1 % . The change in its resistance is 0.4% 0.3% 0.2% None of the listed here 0.4% 0.3% 0.2% None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a few meters of wire conductor in closed electrical circuit is Very high Low High Practically zero Very high Low High Practically zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For testing appliances, the wattage of test lamp should be Low High Very low Any value Low High Very low Any value ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One Newton meter is same as Five joules One watt One joule second One joule Five joules One watt One joule second One joule ANSWER DOWNLOAD EXAMIANS APP