Current Electricity Temperature coefficient of resistance is expressed in terms of ohms/°C ohms/ohm°C mhos/°C mhos/ohm°C ohms/°C ohms/ohm°C mhos/°C mhos/ohm°C ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The hot wire of electric bulb's filament is higher than its cold resistance because the temperature co-efficient of filament is Positive None of the listed here Negative Zero Positive None of the listed here Negative Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Nichrome wire is an alloy of Chromium and vanadium Copper and silver Lead and zinc Nickel and chromium Chromium and vanadium Copper and silver Lead and zinc Nickel and chromium ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will None of these Remain constant Decrease Increase None of these Remain constant Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three resistance of 10 ohms, 15 ohms, and 30 ohm are connected in parallel. The total resistance of the combination is 5 ohms 10 ohms 55 ohms 15 ohms 5 ohms 10 ohms 55 ohms 15 ohms ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Current velocity through a copper conductor is independent of current strength of the order of a few ^.s/m the same as propagation velocity of electric energy nearly 3 x 108 m/s independent of current strength of the order of a few ^.s/m the same as propagation velocity of electric energy nearly 3 x 108 m/s ANSWER DOWNLOAD EXAMIANS APP
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