Home
Class 12
PHYSICS
220 V, 50 Hz , AC is applied to a resist...

220 V, 50 Hz , AC is applied to a resistor . The instantaneous value of voltage is

A

`220sqrt2 sin 100pit`

B

`200sin100pit`

C

`220sqrt2 sin 100pit`

D

`200sin50pit`

Text Solution

Verified by Experts

The correct Answer is:
A
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

An alternating voltage V=140 sin 50 t is applied to a resistor of resistance 10 Omega . This voltage produces triangleH heat in the resistor in time trianglet . To produce the same heat in the same time, rquired DC current is

An alternating voltage V=140 sin 50 t is applied to a resistor of resistance 10 Omega . This voltage produces triangleH heat in the resistor in time trianglet . To produce the same heat in the same time, rquired DC current is

An inductor (L = 200 mH) is connected to an AC source of peak emf 210 V and frequency 50 Hz . Calculate the peak current. What is the instantaneous voltage of the source when the current is at its peak value?

An inductor (L = 200 mH) is connected to an AC source of peak emf 210 V and frequency 50 Hz . Calculate the peak current. What is the instantaneous voltage of the source when the current is at its peak value?

When 100 V dc is applied across a coil, a current of 1A flows through it and when 100 V ac of 50 Hz is applied to the same coil, only 0.5 flows The inductance of coil is

A sinusoidal voltage of rms value 220 V is applied to a diode and a resistor R in the circuit shown in figure so that half wave rectification occurs. If the diode is ideal, what is the rms voltage across R_1 ?

When a voltage V = V_(0) cos omegat is applied across a resistor of resistance R, the average power dissipated per cycle in the resistor is given by

In case of a.c circuit, Ohm's law holds good for {:a) Peak values of voltage and current {:b) Effective values of voltage and current {:c) Instantaneous values of voltage and current

A coil has inductance of (11)/(5pi)H and is joined in series with a resistance of 220Omega . When an alternating emf of 220V at 50Hz is applied to it, then the wattless component of the current in the circuit is

An Ac voltage V=V_0 sin 100t is applied to the circuit, the phase difference between current and voltage is found to be pi/4 , then .