Current Electricity A closed switch has a resistance of About 50 ohms About 500 ohms Zero Infinity About 50 ohms About 500 ohms Zero Infinity ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Constantan wire is used for making starndard resistance because it has Negligibly small temperature co-efficient of resistance High specific resistance Low specific resistance High melting point Negligibly small temperature co-efficient of resistance High specific resistance Low specific resistance High melting point ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Conductivity is the reciprocal of None of the listed here Current density Resistivity Resistance None of the listed here Current density Resistivity Resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The hot resistance of the bulb's filament is higher than its cold resistance because the temperature coefficient of the filament is Positive Negative About 2 ohms per degree Zero Positive Negative About 2 ohms per degree Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The flow of current in solids is due to Atoms Electrons Nucleus Electrons and ions Atoms Electrons Nucleus Electrons and ions ANSWER DOWNLOAD EXAMIANS APP
Current Electricity E. M. F. In a circuit Maintains potential difference Decrease circuit resistance None of the listed here Increases circuit resistance Maintains potential difference Decrease circuit resistance None of the listed here Increases circuit resistance ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS