Current Electricity What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 Ω? 200 V 100 V 150 V 50 V 200 V 100 V 150 V 50 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Current velocity through a copper conductor is the same as propagation velocity of electric energy nearly 3 x 108 m/s of the order of a few ^.s/m independent of current strength the same as propagation velocity of electric energy nearly 3 x 108 m/s of the order of a few ^.s/m independent of current strength ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to Carbon resistors Vaccum tubes Circuits with low current densities High voltage circuits Carbon resistors Vaccum tubes Circuits with low current densities High voltage circuits ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The flow of current in solids is due to Nucleus Electrons Electrons and ions Atoms Nucleus Electrons Electrons and ions Atoms ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals First increases and then decreases Increases Decreases Remains constant First increases and then decreases Increases Decreases Remains constant 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 132 V 33 V 80 V 66 V 132 V 33 V 80 V 66 V ANSWER DOWNLOAD EXAMIANS APP
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