Home
Class 12
PHYSICS
An alternating current in a circuit is g...

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

A

10Aand 100Hz

B

10Aand50Hz

C

`10sqrt2`and 50Hz

D

`10sqrt2` and 100Hz

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION & ALTERNATING CURRENT

    VMC MODULES ENGLISH|Exercise IN-CHAPTER EXERCISE-E|10 Videos
  • ELECTROMAGNETIC INDUCTION & ALTERNATING CURRENT

    VMC MODULES ENGLISH|Exercise IN-CHAPTER EXERCISE-F|10 Videos
  • ELECTROMAGNETIC INDUCTION & ALTERNATING CURRENT

    VMC MODULES ENGLISH|Exercise IN-CHAPTER EXERCISE-C|10 Videos
  • DYNAMICS OF A PARTICLE

    VMC MODULES ENGLISH|Exercise JEE Advance (Archive) Level - II (SINGLE OPTION CORRECT TYPE )|31 Videos
  • ELECTROMAGNETIC INDUCTION & ALTERNATIVE CURRENT

    VMC MODULES ENGLISH|Exercise IMPECCABLE|52 Videos

Similar Questions

Explore conceptually related problems

The alternating current in a circuit is given by I = 50sin314t . The peak value and frequency of the current are

The rms value of an alternating current

The electric current in a circuit is given by I = 3 sin omegat + 4 cos omegat. The rms current is

The instantaneous current in an AC circuit is l = sqrt 2 sin(50 t + pi / 4 ) . The rms value of current 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 relation between an ac voltage source and time in SI units is V=120 sin(100 pi t)cos (100 pi t) V . The value of peak voltage and frequency will be respectively

The alternating current in a circuit is described by the graph shown in Fig. Show rms current in this graph.

Current in an ac circuit is given by i=2 sqrt(2) sin [(pi t+((pi)//4)] . Then find the average value of current during time t=0 to t=1 s.

Current in an ac circuit is given by i=2 sqrt(2) sin [(pi t+((pi)//4)] . Then find the average value of current during time t=0 to t=1 s.

The electric current in AC circuit is given by the relation i = 3sinomegat + 4cosomegat . The rms value of the current in the circuit in ampere is