Home
Class 12
PHYSICS
A rectangular coil of 300 tums has an av...

A rectangular coil of 300 tums has an average area of `25 cmxx10cm`. The coil rotates with a speed of 50 cps in uniform magnetic field of strength `4xx10^(-2)` About an axis perpendicular to the field. The peak value of the induced emf is (in volt)

A

`300 pi`

B

`3000 pi`

C

`3 pi`

D

`30 pi`.

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

A circular coil of radius 0.2 m having 2000 turns rotates with a uniform speed of 100 rpm in a uniform magnetic field of 0.2 T. The r.m.s. value of the induced voltage is

A circular coil of radius 8.0 cm and 20 turns, is rotated about its vertical diameter with an angular speed of 50 rad s^(-1) in a uniform horizontal magnetic field of magnitude 3.0xx10^(-2)T . Obtain the maximum and average emf induced in the coil. If the coil forms a closed loop of resistance 10 Omega , calculate the maximum value of current in the coil. Calculate the average loss due to joule heating . Where does this power come from ?

A circular coil of radius 10cm and 25 turns is rotated about its vertical diameter with an angular speed of 40rads^(-1) , in a uniform horizontal magnetic field of magnitude 5xx10^(-2)T . Calculate the maximum emf induced in the coil. Also find the maximum current in the coil if the resistance of the coil is 15Omega .