Current Electricity Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be 9 times 3 times 1/9 times 1/3 times 9 times 3 times 1/9 times 1/3 times ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 4 : 25 2 : 5 25 : 4 5 : 2 4 : 25 2 : 5 25 : 4 5 : 2 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 None of these Length of heating element should be decreased Length of heating element has no effect on heating if water Length of heating element should be increased None of these Length of heating element should be decreased Length of heating element has no effect on heating if water ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Conductance is reciprocal of Reluctance Inductance Capacitance Resistance Reluctance Inductance Capacitance Resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The filament of electrical bulb is made of Nickel Steel Tungsten Aluminium Nickel Steel Tungsten Aluminium ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a few meters of wire conductor in closed electrical circuit is High Practically zero Very high Low High Practically zero Very high Low ANSWER DOWNLOAD EXAMIANS APP
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