Home
Class 12
PHYSICS
A rectangular coil is placed in a region...

A rectangular coil is placed in a region having a uniform magnetic field `B` perpendicular to the plane of the coil. An emf will not be induced ion the coil if the

A

Magnetic field increases uniformly

B

Coil is rotated about an axis perpendicular to the plane of the coil and passing through its centre O, the coil remaining in the same plane

C

Coil is rotated about the axis OX

D

Magnetic field is suddenly switched off

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    NARAYNA|Exercise EVALUATE YOURSELF -4|4 Videos

  • ELECTROMAGNETIC INDUCTION

    NARAYNA|Exercise EVALUATE YOURSELF -5|8 Videos

  • ELECTROMAGNETIC INDUCTION

    NARAYNA|Exercise EVALUATE YOURSELF -2|6 Videos

  • ELECTRO MAGNETIC WAVES

    NARAYNA|Exercise LEVEL-II(H.W)|14 Videos

  • ELECTROMAGNETIC WAVES

    NARAYNA|Exercise EXERCISE -4|15 Videos

Similar Questions

Explore conceptually related problems

A circular coil carrying current is placed in a region of uniform magnetic field acting perpendicular to the plane of the coil as shown in figure. The correct choice among the following is

A coil is placed in a constant magnetic field. The magnetic field is parallel to the plane of the coil as shown in Fig. 3.28. Find the emf induced in the coil if B increasing.

A flat coil, in the shape of a spiral, has a large number of turns N. The turns are wound tightly and the inner and outer radii of the coil are a and b respectively. A uniform external magnetic field (B) is applied perpendicular to the plane of the coil. Find the emf induced in the coil when the field is made to change at a rate (dB)/(dt) .

A flexible wire bent in the form of a circle is placed in a uniform magnetic field perpendicular to the plane of the coil. The radius of the coil changing as shown in figure. The graph of induced emf in the coil is represented by

Find the emf induced in the coil shown in figure.The magnetic field is perpendicular to the plane of the coil and is constant.

A flexible wire bent in the form of a circle is place in a uniform magnetic field perpendicularly to the plane of the coil. The radius of the coil changes as shown in Figure. The graph of magnetude of induced emf in the coil is represented by

A circular coil carrying current I is placed in a region of uniform magnetic field acting perpendicular to a coil as shown in te Mark correct option .

The torque on a rectangular coil placed in a uniform magnetic filed is large when the

A circular coil of 25 turns and radius 12 cm is placed in a uniform magnetic field of 0.5 T normal to the plane of the coil. If the current in the coil is 6 A then total torque acting on the coil is