Current Electricity The resistance of a few meters of wire conductor in closed electrical circuit is Very high Low Practically zero High Very high Low Practically zero High ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire has a resistance of 10 Ω. It is stretched by one-tenth of its original length. Then its resistance will be 11 Ω 10 Ω 9 Ω 12.1 Ω 11 Ω 10 Ω 9 Ω 12.1 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The filament of electrical bulb is made of Nickel Aluminium Tungsten Steel Nickel Aluminium Tungsten Steel 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 Which of the following materials has the least resistivity ? Lead Mercury Copper Zinc Lead Mercury Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following is the best material for making connecting wires? Manganin Nichrome Constant Copper Manganin Nichrome Constant Copper ANSWER DOWNLOAD EXAMIANS APP
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