Current Electricity What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 Ω? 150 V 200 V 100 V 50 V 150 V 200 V 100 V 50 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Semiconductors have _______temperature co-efficient of resistance. None of the listed here Positive Zero Negative None of the listed here Positive Zero Negative ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a lamp load when more than one lamp are switched on the total resistance of the load None of these Decreases Remains same Increases None of these Decreases Remains same Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An open resistor, when checked with an ohmmeter reads Zero Infinite Low but not zero High but within tolerance Zero Infinite Low but not zero High but within tolerance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The rating of a fuse wire is always expressed in Amperes Ampere-volts kWh Ampere-hours Amperes Ampere-volts kWh Ampere-hours ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An instrument which detects electric current is known as Galvanometer Voltmeter Wattmeter Rheostat Galvanometer Voltmeter Wattmeter Rheostat ANSWER DOWNLOAD EXAMIANS APP