Current Electricity A rheostat differs from potentiometer in the respect that it Has large number of turns Has lower wattage rating Offers large number of tapping Has higher wattage rating Has large number of turns Has lower wattage rating Offers large number of tapping Has higher wattage rating ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A light bulb draws 300 mA when the voltage across it is 240 V. The resistance of the light bulb is 1000 Ω 600 Ω 800 Ω 400 Ω 1000 Ω 600 Ω 800 Ω 400 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity SI unit of power is Henry Watt-hour Watt Coulomb Henry Watt-hour Watt Coulomb ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open There will be heavy current in the main line All three bulbs will light Rest of the two bulbs will not light The other two bulbs will light There will be heavy current in the main line All three bulbs will light Rest of the two bulbs will not light The other two bulbs will light ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a parallel circuit consisting of two branches is 12 ohms. If the resistance of one branch is 18 ohms, what is the resistance of the other? 48 Q 36 Q 18 Q 64 Q 48 Q 36 Q 18 Q 64 Q ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a few meters of wire conductor in closed electrical circuit is Low High Very high Practically zero Low High Very high Practically zero ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS