Current Electricity The flow of current in solids is due to Atoms Electrons and ions Nucleus Electrons Atoms Electrons and ions Nucleus Electrons ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Copper Constantan Silver Carbon Copper Constantan Silver Carbon ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A light bulb draws 300 mA when the voltage across it is 240 V. The resistance of the light bulb is 1000 Ω 600 Ω 400 Ω 800 Ω 1000 Ω 600 Ω 400 Ω 800 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Specific resistance of a substance is measured in Ω-m m/Ω Ω/m None of the listed here Ω-m m/Ω Ω/m None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An instrument which detects electric current is known as Wattmeter Voltmeter Galvanometer Rheostat Wattmeter Voltmeter Galvanometer Rheostat ANSWER DOWNLOAD EXAMIANS APP
Current Electricity All good conductors have high Resistance Thermal conductivity Reluctance Conductance Resistance Thermal conductivity Reluctance Conductance ANSWER DOWNLOAD EXAMIANS APP