Current Electricity Eureka has _______ temperature co-efficient of resistance. None of the listed here Almost zero Negative Positive None of the listed here Almost zero Negative Positive 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 600 Ω 1000 Ω 800 Ω 400 Ω 600 Ω 1000 Ω 800 Ω 400 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Current velocity through a copper conductor is of the order of a few ^.s/m nearly 3 x 108 m/s independent of current strength the same as propagation velocity of electric energy of the order of a few ^.s/m nearly 3 x 108 m/s independent of current strength the same as propagation velocity of electric energy ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One commercial unit of energy equals Ten kilowatt-hour One watt-hour One watt-hour One kilowatt-hour Ten kilowatt-hour One watt-hour One watt-hour One kilowatt-hour ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Constantan wire is used for making starndard resistance because it has Low specific resistance Negligibly small temperature co-efficient of resistance High specific resistance High melting point Low specific resistance Negligibly small temperature co-efficient of resistance High specific resistance High melting point ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a carbon filament lamp _______ as the applied voltage increases. Increases None of the listed here Decreases Remains same Increases None of the listed here Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP