MyQuestionIcon

1

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

Period and Frequency of AC Generator

If a rotor in...

Question

If a rotor in a power generator completes 3000 rotations in a minute. What is the frequency of the AC produced if the pair of magnetic poles are used in the generator?

A

3000 Hz

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

300 Hz

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

50 Hz

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

D

60 Hz

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C 50 Hz
Given: Rotations = 3000
Time (t) = 1 min = 60 s
Frequency = $\frac{Rotation}{Time}$
= $\frac{3000}{1 \times 60} = 50$ Hz

Suggest Corrections

thumbs-up

0

Similar questions

Q. The conductive loop on the rotor of a simple two-pole, single-phase generator rotates at a rate of

400 r p s

. The frequency of the induced output voltage is

Q. In an AC generator, a coil with

N

turns, all of the same area

A

and total resistance

R

, rotates with frequency in a magnetic field

B

. The maximum value of emf generated in the coil is:

Q. What determines the frequency of a.c. produced in a generator?

Q. An ac generator consists of a coil of 200 turns, 100 cm in diameter. If the coil rotates at 500 rpm in a magnetic field of 0.25T, then the maximum induced emf

Q. Why are the poles of the magnet used in Generator is made concave?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

PHYSICS

Watch in App

explore_more_icon

Explore more

Period and Frequency of AC Generator

Standard X Physics

Join BYJU'S Learning Program

CrossIcon