A. Inductance
B. Capacitance
C. Conductance
D. Resistance
Which of the following circuit component opposes the change in the circuit voltage ? Read More »
A.C. Fundamentals, Circuits and Circuit Theory A. zero
B. lagging
C. leading
D. unity
Power factor of electric bulb is__________? Read More »
A.C. Fundamentals, Circuits and Circuit Theory A. 25% of maximum value
B. 50% of maximum value
C. 63% of maximum value
D. 90% of the maximum value
A. 4 mA
B. 9 mA
C. 15 mA
D. 25 mA
The safest value of current the human body can carry for more than 3 second is_________? Read More »
A.C. Fundamentals, Circuits and Circuit Theory A. 0.001 s
B. 0.1 s
C. 10 s
D. 100 s
A. power is consumed in resistance and is equal to I R
B. exchange of power takes place between inductor and supply line
C. exchange of power takes place between capacitor and supply line
D. exchange of power does not take place between resistance and the supply line
E. all above are correct
In a R-L-C circuit_________? Read More »
A.C. Fundamentals, Circuits and Circuit Theory A. 42.42 sin 3141
B. 60 sin 25 t
C. 30 sin 50 t
D. 84.84 sin 25 t
A. A coil with large resistance
B. A coil with low resistance
C. A coil with large distributed capacitance
D. A coil with low distributed capacitance
Which of the following coil will have large resonant frequency __________? Read More »
A.C. Fundamentals, Circuits and Circuit Theory A. low efficiency
B. high power factor
C. unity power factor
D. maximum load current
In an AC. circuit, a low value of kVAR compared with kW indicates_________? Read More »
A.C. Fundamentals, Circuits and Circuit Theory A. 12 kW
B. 22 kW
C. 32 kW
D. 64 kW
