Current Electricity The filament of electrical bulb is made of Nickel Steel Aluminium Tungsten Nickel Steel Aluminium Tungsten ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following is the best conductor of electricity? Silver Copper Zinc Gold Silver Copper Zinc Gold ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A resistance having rating 10 ohms , 10 W is likely to be a Carbon resistor Metallic resistor Variable resistor Wire wound resistor Carbon resistor Metallic resistor Variable resistor Wire wound resistor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Constantan wire is used for making starndard resistance because it has High melting point High specific resistance Low specific resistance Negligibly small temperature co-efficient of resistance High melting point High specific resistance Low specific resistance Negligibly small temperature co-efficient of resistance 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 Decreases Remains same Increases Heater will burn out Decreases Remains same Increases 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 600 Ω 800 Ω 400 Ω 1000 Ω 600 Ω 800 Ω 400 Ω ANSWER DOWNLOAD EXAMIANS APP
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