Current Electricity Ohm's law is not applicable to Small resistors Semi-conductors Dc circuits High currents Small resistors Semi-conductors Dc circuits High currents ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A rheostat differs from potentiometer in the respect that it Offers large number of tapping Has lower wattage rating Has higher wattage rating Has large number of turns Offers large number of tapping Has lower wattage rating Has higher wattage rating Has large number of turns ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An instrument which detects electric current is known as Galvanometer Wattmeter Rheostat Voltmeter Galvanometer Wattmeter Rheostat Voltmeter ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A thermistor has Variable temperature coefficient Zero temperature coefficient Positive temperature coefficient Negative temperature coefficient Variable temperature coefficient Zero temperature coefficient Positive temperature coefficient Negative temperature coefficient ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The weight of an aluminium conductor as compared to a copper conductor of identical cross-section, for the same electrical resistance, is 1.5 0.6 0.5 1 1.5 0.6 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of 220 V, 100 W lamp will be 4840 Q 484 ft 4.84 Q 48.4 Q 4840 Q 484 ft 4.84 Q 48.4 Q ANSWER DOWNLOAD EXAMIANS APP