Current Electricity An instrument which detects electric current is known as Wattmeter Rheostat Galvanometer Voltmeter Wattmeter Rheostat Galvanometer Voltmeter 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? 18 Q 64 Q 48 Q 36 Q 18 Q 64 Q 48 Q 36 Q ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 2 : 5 25 : 4 5 : 2 4 : 25 2 : 5 25 : 4 5 : 2 4 : 25 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 400 Ω 1000 Ω 600 Ω 800 Ω 400 Ω 1000 Ω 600 Ω 800 Ω 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 None of the listed here Zero Positive Negative None of the listed here Zero Positive Negative ANSWER DOWNLOAD EXAMIANS APP
Current Electricity All good conductors have high Conductance Reluctance Resistance Thermal conductivity Conductance Reluctance Resistance Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP