Current Electricity A copper wire is stretched so that its length is increased by 0.1 % . The change in its resistance is 0.3% 0.4% None of the listed here 0.2% 0.3% 0.4% None of the listed here 0.2% ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals First increases and then decreases Remains constant Decreases Increases First increases and then decreases Remains constant Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The flow of current in solids is due to Nucleus Electrons Electrons and ions Atoms Nucleus Electrons Electrons and ions Atoms ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Whether circuit may be AC. or D.C. one, following is most effective in reducing the magnitude of the current. Resistor Reactor Capacitor Inductor Resistor Reactor Capacitor Inductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The SI unit of power is Coulomb Watt-hour Henry Watt Coulomb Watt-hour Henry Watt ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a series circuit with unequal resistances The lowest resistance has the highest current The highest resistance has the most of the current through it The lowest resistance has the highest voltage drop The highest resistance has the highest voltage drop The lowest resistance has the highest current The highest resistance has the most of the current through it The lowest resistance has the highest voltage drop The highest resistance has the highest voltage drop ANSWER DOWNLOAD EXAMIANS APP
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