A. current is maximum
B. current is minimum
C. impedance is maximum
D. voltage across C is minimum
In a series L-C circuit at the resonant frequency the__________? Read More »
A.C. Fundamentals, Circuits and Circuit Theory A. apparent power is more than actual power
B. reactive power is more than apparent power
C. actual power is more than reactive power
D. reactive power is more than actual power
In any A.C. circuit always__________? Read More »
A.C. Fundamentals, Circuits and Circuit Theory A. increases with the decrease of capacitance and decrease of resistance
B. increases with the decrease of capacitance and increase of resistance
C. increases with the increase of capacitance and decrease of resistance
D. increase with increase of capacitance and increase of resistance
Time constant of a capacitive circuit__________? Read More »
A.C. Fundamentals, Circuits and Circuit Theory A. is unaffected by the supply frequency
B. decreases with the increase in supply frequency
C. increases with the increase in supply frequency
D. becomes zero with the increase in supply frequency
Inductance of coil___________? Read More »
A.C. Fundamentals, Circuits and Circuit Theory A. actual power is zero
B. reactive power is zero
C. apparent power is zero
D. none of above is zero
In a purely inductive circuit__________? Read More »
A.C. Fundamentals, Circuits and Circuit Theory A. increases with increase of inductance and decrease of resistance
B. increases with the increase of inductance and the increase of resistance
C. increases with the decrease of inductance and decrease of resistance
D. increases with decrease of inductance and increase of resistance
Time constant of an inductive circuit_________? Read More »
A.C. Fundamentals, Circuits and Circuit Theory A. depends upon the magnitude of R
B. depends upon the magnitude of L
C. depends upon the magnitude of C
D. depends upon the magnitude of R, Land C
Magnitude of current at resonance in R-L-C circuit________? Read More »
A.C. Fundamentals, Circuits and Circuit Theory A. R only
B. L only
C. C only
D. LorC
E. R,LorC
A. R/C
B. RC2
C. RC
D. R2C
The time constant of a series R-C circuit is given by____________? Read More »
A.C. Fundamentals, Circuits and Circuit Theory A. applied voltage decreases but current increases
B. applied voltage increases but current decreases
C. both applied voltage and current increase
D. both applied voltage and current decrease
Pure inductive circuit takes power from the A.C. line when_________? Read More »
A.C. Fundamentals, Circuits and Circuit Theory