MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Power in an AC Circuit

a The peak vo...

Question

(a) The peak voltage of an ac supply is 300 V. What is the rms voltage?

(b) The rms value of current in an ac circuit is 10 A. What is the peak current?

Open in App

Solution

(a) Peak voltage of the ac supply, V₀ = 300 V

Rms voltage is given as:

(b) Therms value of current is given as:

I = 10 A

Now, peak current is given as:

Suggest Corrections

thumbs-up

0

Similar questions

Q. The peak voltage of an ac supply is

300 V

. What is the rms voltage?

Q. The rms value of current in an ac circuit is 25 A, then peak current is

Q. A pure resistive circuit element X when connected to an ac supply of peak voltage 200 V gives a peak current of 5 A which is in phase with the voltage. A second circuit element Y, when connected to the same ac supply also gives the same value of peak current but the current lags behind by 90. If the series combination of X and Y is connected to the same supply, what will be the rms value of current?

Q. The peak voltage of an ac supply is

440 V

, then its rms voltage is then

Q. In an ac circuit, the r.m.s. value of current,

I_{r m s}

is related to the peak current,

I_{0}

by the relation

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Electrical Power in an AC Circuit

PHYSICS

Watch in App

explore_more_icon

Explore more

Power in an AC Circuit

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon