Home
Class 12
PHYSICS
Voltage and current in an AC circuit are...

Voltage and current in an AC circuit are given by V = 5sin(`100pi`t-`pi`/6) and I = 4sin(100`pi`t+`pi`/6)

A

voltage leads the current by `30^(@)`

B

current leads the voltage by `30^(@)`

C

current leads the voltage by `60^(@)`

D

current are voltage are in phase

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    AAKASH SERIES|Exercise EXERCISE - IB|14 Videos

  • ALTERNATING CURRENT

    AAKASH SERIES|Exercise EXERCISE - II|8 Videos

  • ALTERNATING CURRENT

    AAKASH SERIES|Exercise PROBLEMS|28 Videos

  • APPENDICES ( REVISION EXERCISE )

    AAKASH SERIES|Exercise REVISION EXERCISE (MAGNETISM AND MATTER )|52 Videos

Similar Questions

Explore conceptually related problems

Voltage and current in an ac circuit are given by V=5 sin (100 pi t-pi/6) and I=4 sin (100 pi t+pi/6)

The instantaneous values of current and voltage in an AC circuit are given by l = 6sin ( 100 pi t + pi / 4) V = 5sin ( 100 pi t - pi / 4 ), then

The instantaneous current and volatage of an AC circuit are given by i = 10 sin (314 t) A and V = 100 sin (314 t) V What is the power dissipation in the circuit?

In a circuit, the instantaneous values of alternating current and voltages in a circuit is given by I = (1)/(sqrt2) sin (100 pi t) A and E = (1)/(sqrt2) sin (100 pi t + (pi)/(3)) V . The average power in watts consumed in the circui is

In an AC circuit V and I are given by V = 100 sin 100t V and I = 100 sin (100t + pi//3) mA. The power dissipated in the circuit is

The current in an LCR circuit is given by I=20sin (100pi t+(pi)/(6))A . The voltage across the the inductance L of 0.1 H at t = 0 will be

The potential difference E and current I flowing through the ac circuit is given by E=5 cos (omega t -pi//6) V and I=10 sin (omega)t A . Find the average power dissipated in the circuit.

An alternating current in a circuit is given by l = 20 sin ( 100 pi t + 0.05pi ) A. The rms value and the frequency of current respectively are

When an alternating emf e = 310 sin (100pit) V is applied to a series LCR circuit, current flowing through the circuit can be given by i=5sin(100pit+pi//3)A . (1) What is the phase difference between the current and the emf ? (2) Calculate the average power consumed by the circuit.

The current and voltage functions in an AC circuit are i=100 sin 100 tmA, V=100sin(100t+pi/3)V The power disspitated in the circuit is