Current Electricity The flow of current in solids is due to Electrons Nucleus Atoms Electrons and ions Electrons Nucleus Atoms Electrons and ions ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to High currents Small resistors Dc circuits Semi-conductors High currents Small resistors Dc circuits Semi-conductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following statement is true both for a series and a parallel D.C. circuit? Voltages are additive Currents are additive Power are additive Elements have individual currents Voltages are additive Currents are additive Power are additive Elements have individual currents ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The hot wire of electric bulb's filament is higher than its cold resistance because the temperature co-efficient of filament is Negative None of the listed here Positive Zero Negative None of the listed here Positive Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a straight conductor is independent of Temperature Material Cross-sectional area Shape of cross-section Temperature Material Cross-sectional area Shape of cross-section ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the efficiency of a machine is to be high, what should be low? Losses kWh consumed True component of power Input power Losses kWh consumed True component of power Input power ANSWER DOWNLOAD EXAMIANS APP