Current Electricity The specific resistance of a metallic conductor ______ with rise in temperature. Decreases Increases Remains unchanged None of the listed here Decreases Increases Remains unchanged None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a straight conductor is independent of Temperature Material Shape of cross-section Cross-sectional area Temperature Material Shape of cross-section Cross-sectional area ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Out of the following which is not a poor conductor? Copper Cast iron Tungsten Carbon Copper Cast iron Tungsten Carbon ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The filament of electrical bulb is made of Nickel Steel Aluminium Tungsten Nickel Steel Aluminium Tungsten ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ampere-hour is the unit of Power Energy Strength of current Quantity of electricity Power Energy Strength of current Quantity of electricity ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the efficiency of a machine is to be high, what should be low? True component of power kWh consumed Losses Input power True component of power kWh consumed Losses Input power ANSWER DOWNLOAD EXAMIANS APP
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