Current Electricity The filament of electrical bulb is made of Tungsten Aluminium Steel Nickel Tungsten Aluminium Steel Nickel ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of human body is about 1000 ohm 200 ohm 25 ohm 10 ohm 1000 ohm 200 ohm 25 ohm 10 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Silver Carbon Constantan Copper Silver Carbon Constantan Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The specific resistance of a metallic conductor ______ with rise in temperature. None of the listed here Decreases Increases Remains unchanged None of the listed here Decreases Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following statement is true both for a series and a parallel D.C. circuit? Elements have individual currents Currents are additive Voltages are additive Power are additive Elements have individual currents Currents are additive Voltages are additive Power are additive 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
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