Current Electricity Which of the following materials has the least resistivity ? Mercury Lead Copper Zinc Mercury Lead Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A field of force can exist only between Two atoms Two metal particles Two molecules Two ions Two atoms Two metal particles Two molecules Two ions ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following statement is true both for a series and a parallel D.C. circuit? Elements have individual currents Voltages are additive Power are additive Currents are additive Elements have individual currents Voltages are additive Power are additive Currents are additive ANSWER DOWNLOAD EXAMIANS APP
Current Electricity International ohm is defined in terms of the resistance of A column of mercury A cube of copper A cube of carbon The unit length of wire A column of mercury A cube of copper A cube of carbon The unit length of wire ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One Newton meter is same as One watt One joule One joule second Five joules One watt One joule One joule second Five joules ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Semiconductors have _______temperature co-efficient of resistance. Zero None of the listed here Positive Negative Zero None of the listed here Positive Negative ANSWER DOWNLOAD EXAMIANS APP