Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 5 : 2 25 : 4 2 : 5 4 : 25 5 : 2 25 : 4 2 : 5 4 : 25 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals First increases and then decreases Increases Remains constant Decreases First increases and then decreases Increases Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to High voltage circuits Circuits with low current densities Vaccum tubes Carbon resistors High voltage circuits Circuits with low current densities Vaccum tubes Carbon resistors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of 220 V, 100 W lamp will be 484 ft 4840 Q 48.4 Q 4.84 Q 484 ft 4840 Q 48.4 Q 4.84 Q 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 33 V 80 V 66 V 132 V 33 V 80 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The SI unit of power is Coulomb Watt Henry Watt-hour Coulomb Watt Henry Watt-hour ANSWER DOWNLOAD EXAMIANS APP