A wire of length L carrying a current I ...

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

`(pi mu_(0)I)/(L)`

`(mu_(0)I)/(2L)`

`(2 pi mu_(0)I)/(L)`

`(mu_(0)I)/(2 pi L)`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

MAGNETIC EFFECT OF ELECTRIC CURRENT
TARGET PUBLICATION|Exercise COMPETITIVE THINKING|111 Videos
MAGNETIC EFFECT OF ELECTRIC CURRENT
TARGET PUBLICATION|Exercise EVALUATION TEST|19 Videos
MAGNETIC EFFECT OF ELECTRIC CURRENT
TARGET PUBLICATION|Exercise EVALUATION TEST|19 Videos
KINETIC THEORY OF GASES AND RADIATION
TARGET PUBLICATION|Exercise Evaluation test|18 Videos
MAGNETISM
TARGET PUBLICATION|Exercise EVALUATION TEST|14 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

A wire of length L carrying current I is bent into a circle of one turn. The field at the center of the coil is B1. A similar wire of length L carrying current I is bent into a square of one turn. The field at its center is B2. Then (1) B_(1) gt B_(2) (2) B_(1) = B_(2) (3) (B_(1))/(B_(2))=2 (4) B_(1) lt B_(2)

A wire of length L metre , carrying a current I ampere is bent in the form of a circle . The magnitude of its magnetic moment is …………. MKS units .

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 wire of length l, carrying current i, is bent in circle of radius r, then magnetic momennt at centre of loop is

A part of a long wire carrying a current i is bent into a circle of radius r as shown in figure. The net magnetic field at the centre O of the circular loop is

TARGET PUBLICATION-MAGNETIC EFFECT OF ELECTRIC CURRENT-CRITICAL THINKING

Two concentric circular coils of five turns each are situated in the s...
Text Solution
|
If in circular coil of radius R, current I is flowing and in another c...
Text Solution
|
A wire of length L carrying a current I is bent into a circle. The mag...
Text Solution
|
If the current flowing in ABCD is I. Then the field at P as shown in t...
Text Solution
|
A coil of radius 200 mm is to produce a field of 0.4 G in its centre w...
Text Solution
|
A current i ampere flows in a circular arc of wire whose radius is R, ...
Text Solution
|
A closely wound flat circuar coil of 25 turns of wire has diameter of ...
Text Solution
|
A and B are two concentric circular conductors of centre O and carryin...
Text Solution
|
A winding wire which is used to prepare a solenoid of length 80 cm can...
Text Solution
|
A circular coil of diameter 9 cm has 30 turns of wire which carry curr...
Text Solution
|
The coil of a suspended coil galvanometer has a very high resistance w...
Text Solution
|
A rectangular coil has 100 turns each of area 50 cm^(2). It is capable...
Text Solution
|
A rectangular coil has 100 turns has length 5 cm and breadth 2 cm. It ...
Text Solution
|
A rectangular coil of 500 turns with an average area per turn 4.00 cm^...
Text Solution
|
A 200 turn rectangular coil measuring 0.02 m xx 0.08 m of an ammeter i...
Text Solution
|
A rectangular coil of area 5.0 xx 10^(-4) m^(2) and 40 turns is pivote...
Text Solution
|
Torque acting on a coil is 2 xx 10^(-5) Nm. If the torque produces ang...
Text Solution
|
A rectangular coil of a moving coil galvanometer containing 100 turns ...
Text Solution
|
Two identical coils carry equal currents have a common centre and thei...
Text Solution
|
The deflection of galvanometer falls from 60 to 30, when 12 Omega shun...
Text Solution
|