Current Electricity Which of the following materials has the least resistivity ? Copper Zinc Lead Mercury Copper Zinc Lead Mercury ANSWER DOWNLOAD EXAMIANS APP
Current Electricity International ohm is defined in terms of the resistance of A column of mercury A cube of carbon The unit length of wire A cube of copper A column of mercury A cube of carbon The unit length of wire A cube of copper 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 9 Ω 10 Ω 12.1 Ω 11 Ω 9 Ω 10 Ω 12.1 Ω 11 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following is the best conductor of electricity? Gold Zinc Silver Copper Gold Zinc Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Inductors Conductors Semi-conductors Insulators Inductors Conductors Semi-conductors Insulators ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One Newton meter is same as Five joules One joule One joule second One watt Five joules One joule One joule second One watt ANSWER DOWNLOAD EXAMIANS APP
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