Current Electricity In a circuit a 33 Q resistor carries a current of 2 A. The voltage across the resistor is 80 V 132 V 66 V 33 V 80 V 132 V 66 V 33 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will Heater will burn out Increases Decreases Remains same Heater will burn out Increases Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of conductor varies inversely as Length Resistivity Temperature Area of cross-section Length Resistivity Temperature Area of cross-section ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The electrical energy required to heat a bucket of water to a certain temperature is 4 kWh. If the heat losses are 20 percent, the energy input is 2 kWh 6 kWh 5 kWh 3.2 kWh 2 kWh 6 kWh 5 kWh 3.2 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The filament of electrical bulb is made of Nickel Aluminium Tungsten Steel Nickel Aluminium Tungsten Steel ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire has a resistance of 10 Ω. It is stretched by one-tenth of its original length. Then its resistance will be 9 Ω 12.1 Ω 11 Ω 10 Ω 9 Ω 12.1 Ω 11 Ω 10 Ω ANSWER DOWNLOAD EXAMIANS APP
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