Current Electricity A copper wire is stretched so that its length is increased by 0.1 % . The change in its resistance is 0.3% None of the listed here 0.2% 0.4% 0.3% None of the listed here 0.2% 0.4% ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Sparking occurs when a load is switched off because the circuit has high Capacitance Inductance Resistance Impedance Capacitance Inductance Resistance Impedance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current passing through the circuit produces Chemical effect Magnetic effect Thermal effect Luminous effect Chemical effect Magnetic effect Thermal effect Luminous effect ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of conductor varies inversely as Area of cross-section Temperature Length Resistivity Area of cross-section Temperature Length Resistivity ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The flow of current in solids is due to Nucleus Electrons Atoms Electrons and ions Nucleus Electrons Atoms Electrons and ions ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Carbon Constantan Silver Copper Carbon Constantan Silver Copper ANSWER DOWNLOAD EXAMIANS APP
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