Current Electricity The filament of electrical bulb is made of Steel Tungsten Aluminium Nickel Steel Tungsten Aluminium Nickel ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A resistance having rating 10 ohms , 10 W is likely to be a Wire wound resistor Metallic resistor Variable resistor Carbon resistor Wire wound resistor Metallic resistor Variable resistor Carbon resistor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A field of force can exist only between Two ions Two metal particles Two molecules Two atoms Two ions Two metal particles Two molecules Two atoms ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Porcelain Manganin Copper Carbon Porcelain Manganin Copper Carbon ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire is stretched so that its length is increased by 0.1 % . The change in its resistance is 0.4% 0.3% 0.2% None of the listed here 0.4% 0.3% 0.2% None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of human body is about 200 ohm 1000 ohm 25 ohm 10 ohm 200 ohm 1000 ohm 25 ohm 10 ohm ANSWER DOWNLOAD EXAMIANS APP
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