Current Electricity A 3 Q resistor having 2 A current will dissipate the power of 4 watts 2 watts 8 watts 6 watts 4 watts 2 watts 8 watts 6 watts ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire has a resistance of 10 Ω. It is stretched by one-tenth of its original length. Then its resistance will be 10 Ω 11 Ω 12.1 Ω 9 Ω 10 Ω 11 Ω 12.1 Ω 9 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals 60 W 20 W 10 W 40 W 60 W 20 W 10 W 40 W ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Whether circuit may be AC. or D.C. one, following is most effective in reducing the magnitude of the current. Resistor Capacitor Reactor Inductor Resistor Capacitor Reactor Inductor 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 36 Q 48 Q 64 Q 18 Q 36 Q 48 Q 64 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 Zero Positive About 2 ohms per degree Negative Zero Positive About 2 ohms per degree Negative ANSWER DOWNLOAD EXAMIANS APP