Home
Class 12
PHYSICS
A thin circular -conducting ring having ...

A thin circular -conducting ring having N turns of radius R is falling with its plane vertical in a horizontal magnetic field B . At the position MNQ the speed of ring is v the induced e.m.f developed across the ring is

A

Zero

B

`(BvpiR^(2)N)/(2) ` and M is at higher potential

C

`N pi` BRv and Q is at higher potential

D

2RBvN and Q is at lower potential

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

A thin semicircular conducting ring of radius R is falling with its plane verticle in a horizontal magnetic inducting B . At the position MNQ , the speed of the ring is V and the potential difference developed across the ring is (1.) zero (2.) BcpiR^(2)//2 (3.) piRBV (4.) 2RBV

A thin semi-circular conducting ring of radius R is falling with its plane verticle in horizontal magnetic induction (vec B) . At the position MNQ the speed of the ring is v, and the potential difference developed across the ring is

A vertical conducting ring ogradius R falls vertically in a horizontal magnetic field of magnitude B . The direction of B is perpendicular to the plane of the ring. When the speed of the ring is v,

A vertical conducting ring of radius R falls vertically with a speed V in a horizontal uniform magnetic field B which is perpendicular to the plane of the ring. Which of the following statements is correct?

A circular conducting ring of radius 'a' is rolling with slipping on a horizontal surface as shown. A uniform magnetic field B is existing perpendicular to the plane of motion of the ring. The emf iniduced between the points A and D of the ring is

A semicircle conducting ring of radius R is placed in the xy plane, as shown in Fig. A uniform magnetic field is set up along the x-axis. No emf, will be induced in the ring if

A conducting ring of radius r having charge q is rotating with angular velocity omega about its axes. Find the magnetic field at the centre of the ring.

A conducting ring of radius r having charge q is rotating with angular velocity omega about its axes. Find the magnetic field at the centre of the ring.

A circular conducting ring is rotated about one of its diameter in a magnetic field

A conducting ring is placed in a uniform magnetic field with its plane perpendicular to the field . An emf is induced in the ring if