Home
Class 12
PHYSICS
A long wire carries a steady curent . It...

A long wire carries a steady curent . It is bent into a circle of one turn and the magnetic field at the centre of the coil is `B`. It is then bent into a circular loop of `n` turns. The magnetic field at the centre of the coil will be

A

nB

B

`2n^(2)B`

C

2nB

D

`n^(2)B`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MAGNETISM

    MBD -HARYANA BOARD|Exercise LONG ANSWER TYPE QUESTIONS|7 Videos

  • ELECTROSTATICS

    MBD -HARYANA BOARD|Exercise OBJECTIVE TYPE QUESTIONS|23 Videos

  • MODEL TEST PAPER (SOLVED)

    MBD -HARYANA BOARD|Exercise LONG ANSWER TYPE QUESTIONS|6 Videos

Similar Questions

Explore conceptually related problems

A wire of length L carrying a current I is bent into a circle. The magnitude of the magnetic field at the centre of the circle is

The magnetic field at the centre of the current carrying coil

The magnetic field at the centre of current carrying coil is

When a long wire carrying a steady current is best into a circular coil of one turn, the magnetic induction at its centre is B. When the same wire carrying the same current is bent into a circular coil of one turn, the magnetic induction at its centre is B. when the same wire carrying the same current is bent to form a circular coil of a turns of a smaller radius, the magnetic induction at the centre will be

A wire of certain length carries a steady current. It is first bent to form a circular wire of one turn. The same wire is bent to form a circular coil of three turns. The ratio of magnetic induction at the centre of the coil in the two cases is ________