Current Electricity Electric current is a Number only Sometimes scalar and sometimes vector Vector quantity Scalar quantity Number only Sometimes scalar and sometimes vector Vector quantity Scalar quantity ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Current velocity through a copper conductor is of the order of a few ^.s/m the same as propagation velocity of electric energy nearly 3 x 108 m/s independent of current strength of the order of a few ^.s/m the same as propagation velocity of electric energy nearly 3 x 108 m/s independent of current strength ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The flow of current in solids is due to Atoms Electrons and ions Electrons Nucleus Atoms Electrons and ions Electrons Nucleus ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A rheostat differs from potentiometer in the respect that it Has large number of turns Offers large number of tapping Has higher wattage rating Has lower wattage rating Has large number of turns Offers large number of tapping Has higher wattage rating Has lower wattage rating 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 About 2 ohms per degree Positive Zero Negative About 2 ohms per degree Positive Zero Negative ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following is the best conductor of electricity? Gold Zinc Silver Copper Gold Zinc Silver Copper ANSWER DOWNLOAD EXAMIANS APP