Current Electricity When current flows through heater coil it glows but supply wiring does not glow because Current through supply line flows at slower speed Supply wiring is covered with insulation layer Resistance of heater coil is more than the supply wires Supply wires are made of superior material Current through supply line flows at slower speed Supply wiring is covered with insulation layer Resistance of heater coil is more than the supply wires Supply wires are made of superior material ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A resistance having rating 10 ohms , 10 W is likely to be a Carbon resistor Wire wound resistor Variable resistor Metallic resistor Carbon resistor Wire wound resistor Variable resistor Metallic resistor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 3 Q resistor having 2 A current will dissipate the power of 8 watts 6 watts 2 watts 4 watts 8 watts 6 watts 2 watts 4 watts ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Copper Silver Constantan Carbon Copper Silver Constantan Carbon ANSWER DOWNLOAD EXAMIANS APP
Current Electricity It becomes more difficult to remove First electron from the orbit Second electron from the orbit Third electron from the orbit Any electron from the orbit First electron from the orbit Second electron from the orbit Third electron from the orbit Any electron from the orbit ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An instrument which detects electric current is known as Wattmeter Galvanometer Voltmeter Rheostat Wattmeter Galvanometer Voltmeter Rheostat ANSWER DOWNLOAD EXAMIANS APP
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