Current Electricity One Newton meter is same as One joule second Five joules One watt One joule One joule second Five joules One watt One joule ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to High currents Small resistors Semi-conductors Dc circuits High currents Small resistors Semi-conductors Dc circuits ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are usually made from Graphite Nichrome Silicon carbide Charcoal Graphite Nichrome Silicon carbide Charcoal 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 66 V 132 V 80 V 33 V 66 V 132 V 80 V 33 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In an electric kettle water boils in 10 m minutes. It is required to boil the boiler in 15 minutes, using same supply mains Length of heating element should be increased Length of heating element has no effect on heating if water Length of heating element should be decreased None of these Length of heating element should be increased Length of heating element has no effect on heating if water Length of heating element should be decreased None of these 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 200 V 100 V 50 V 150 V 200 V 100 V ANSWER DOWNLOAD EXAMIANS APP