Home
Class 12
PHYSICS
The magnetic moment of a current I carry...

The magnetic moment of a current I carrying circular coil of radius r and number of turns N varies as

A

`1//r^(2)`

B

`1//r`

C

r

D

`r^(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • MOVING CHARGES & MAGNETISM

    VMC MODULES ENGLISH|Exercise ENABLE|50 Videos
  • MOVING CHARGES & MAGNETISM

    VMC MODULES ENGLISH|Exercise EFFICIENT|50 Videos
  • Motion in Two Dimensions

    VMC MODULES ENGLISH|Exercise MCQ|2 Videos
  • PROPERTIES OF MATTER

    VMC MODULES ENGLISH|Exercise JEE Advanced (Archive) Level - 2 (MATRIX MATCH TYPE)|1 Videos

Similar Questions

Explore conceptually related problems

The magneitc field produced at the center of a current carrying circular coil of radius r, is

(a) Using Biot-Savart's law, derive an expression for the magnetic field at the centre of a circular coil of radius R, number of turns N, carrying current. (b) Two small identical circular coils marked 1,2 carry equal currents and are placed with their geometric axes perpendicular to each other as shown in the figure. Derive an expression for the resultant magnetic field at O.

What will be magnetic field at centre of current carrying circular loop of radius R?

Use Biot-Savart law to derive the expression for the magnetic field on the axis of a current carrying circular loop of radius R . Draw the magnetic field lines due to circular wire carrying current I .

Ratio of magnetic field at the centre of a current carrying coil of radius R and at a distance of 3R on its axis is

The ratio of the magnetic field at the centre of a current carrying circular coil to its magnetic moment is x. If the current and radius both are doubled the new ratio will become

The ratio of the magnetic field at the centre of a current carrying circular coil to its magnetic moment is x. If the current and radius both are doubled the new ratio will become

Obtain an expression for magnetic flux density B at the centre of a circular coil of radius R, having N turns and carrying a current I.

If the current (I) flowing through a circular coil, its radius (R ) and number of turns (N) in it are each doubled, magnetic flux density at its centre becomes: