Current Electricity All good conductors have high Conductance Resistance Reluctance Thermal conductivity Conductance Resistance Reluctance Thermal conductivity 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? 150 V 100 V 50 V 200 V 150 V 100 V 50 V 200 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will Remain constant Decrease None of these Increase Remain constant Decrease None of these Increase ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators. Thermistor Semiconductors Varistors Variable resistors Thermistor Semiconductors Varistors Variable resistors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A light bulb draws 300 mA when the voltage across it is 240 V. The resistance of the light bulb is 1000 Ω 400 Ω 600 Ω 800 Ω 1000 Ω 400 Ω 600 Ω 800 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which method can be used for absolute measurement of resistances? Wheastone bridge method Ohm's law method Lorentz method Releigh method Wheastone bridge method Ohm's law method Lorentz method Releigh method ANSWER DOWNLOAD EXAMIANS APP