Home
Class 12
PHYSICS
The field due to a long straight wire ca...

The field due to a long straight wire carrying a current I is proportional to

A

I

B

`sqrt(I)`

C

`I^2`

D

`1//I`

Text Solution

Verified by Experts

The correct Answer is:
A
`B=(mu_0I)/(2pia)because BpropI`
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    NIKITA PUBLICATION|Exercise MCQs (Sensitivity and accuracy of M.C.G.)|1 Videos

  • KINETIC THEORY OF GASES & RADIATION

    NIKITA PUBLICATION|Exercise MCQs (Question Given in MHT-CET)|79 Videos

  • MAGNETISM

    NIKITA PUBLICATION|Exercise MCQs|249 Videos

Similar Questions

Explore conceptually related problems

The magnetic induction at any point due to a long straight wire carrying a current is

The figure shows a long straight wire carrying a current I_1 along the axis of a circular ring carrying a current I_2 . Identify the correct statement.

The magnetic field strength at a point P distant r due to an infinite straight wire carrying a current i is as shown in the figure

The magnetic induction due to an infinitely long straight wire carrying a current i at a distance r from wire is given by

A segment AB of wire carrying current I_1 is placed perpendicular to a long straight wire carrying current I_2 as shown in figure. The magnitude of force experieced by the straight wire AB is

Calculate the force per unit length on a long straight wire carrying current 4A due to parallel wire carrying current 6A current. Distance between the wires =3cm .