## Time constant of a capacitive circuit__________?

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# A.C. Fundamentals

## Time constant of an inductive circuit_________?

Time constant of an inductive circuit_________? 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…

## Magnitude of current at resonance in R-L-C circuit________?

Magnitude of current at resonance in R-L-C circuit________? 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…

## In R-L-C series resonant circuit magnitude of resonance frequency can be changed by changing the…

In R-L-C series resonant circuit magnitude of resonance frequency can be changed by changing the value of__________? A. R only B. L only C. C onlyD. LorC E. R,LorC

## The time constant of a series R-C circuit is given by____________?

The time constant of a series R-C circuit is given by____________? A. R/C B. RC2C. RC D. R2C

## Pure inductive circuit takes power from the A.C. line when_________?

Pure inductive circuit takes power from the A.C. line when_________? A. applied voltage decreases but current increases B. applied voltage increases but current decreases C. both applied voltage and current increase D. both applied…

## Which of the following circuit component opposes the change in the circuit voltage ?

Which of the following circuit component opposes the change in the circuit voltage ? A. InductanceB. Capacitance C. Conductance D. Resistance

## Power factor of electric bulb is__________?

Power factor of electric bulb is__________? A. zero B. lagging C. leadingD. unity

## Time constant of a circuit is the time in seconds taken after the application of voltage to…

Time constant of a circuit is the time in seconds taken after the application of voltage to each___________? A. 25% of maximum value B. 50% of maximum valueC. 63% of maximum value D. 90% of the maximum value…

## The safest value of current the human body can carry for more than 3 second is_________?

The safest value of current the human body can carry for more than 3 second is_________? A. 4 mAB. 9 mA C. 15 mA D. 25 mA

## If resistance is 20 Q. and inductance is 27 in a R-L series circuit, then time constant of this…

If resistance is 20 Q. and inductance is 27 in a R-L series circuit, then time constant of this circuit will be________? A. 0.001 sB. 0.1 s C. 10 s D. 100 s