Current Electricity All of the following are equivalent to watt except Joules/sec. Amperes/volt Amperes × volts (Amperes) ohm Joules/sec. Amperes/volt Amperes × volts (Amperes) ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Constantan Copper Silver Carbon Constantan Copper Silver Carbon ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a few meters of wire conductor in closed electrical circuit is Very high Low High Practically zero Very high Low High Practically zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of 220 V, 100 W lamp will be 484 ft 4840 Q 4.84 Q 48.4 Q 484 ft 4840 Q 4.84 Q 48.4 Q 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 About 2 ohms per degree Zero Negative Positive About 2 ohms per degree Zero Negative ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be 1/9 times 1/3 times 3 times 9 times 1/9 times 1/3 times 3 times 9 times ANSWER DOWNLOAD EXAMIANS APP