Home
Class 12
PHYSICS
A square loop of side a is placed at a d...

A square loop of side a is placed at a distance a length away from a long wire carrying a current `I_1` . If the loop carries a current `I_2` as shown in the figure . Then the nature of the nature of the force and its amount is

A

`(mu_(0)I_(1)I_(2))/(2pia)`, attractive

B

`(mu_(0)I_(1)I_(2))/(4pi)`, attractive

C

`(mu_(0)I_(1)I_(2))/(4pi)`, repulsive

D

`(mu_(0)I_(1)I_(2))/(4pia)`, repulsive

Text Solution

Verified by Experts

The correct Answer is:
B

`F_(2)&F_(4)` cancel each other, `F_(1) gt F_(3)`
`F_("net")=F_(1)-F_(3)=(mu_(0)I_(1)I_(2))/(2pia).a-(mu_(0)I_(1)I_(2))/(4pia)a`
`=(mu_(0)I_(1)I_(2))/(4pi)`
Promotional Banner

Similar Questions

Explore conceptually related problems

A square loop of side 15 cm carrying current of 10 A is kept at a distance of 5 cm from a long wire carrying 12 A current as shown in the adjoining figure. Calculate the net force acting on the loop.

A square loop of side l carries a current i. it is placed as shown in figure. Find the magnetic moment of the loop.

(a) Dfine mutaul indutace and write its S.I. unit. (b) A square loop of side 'a' carrying a current I_(2) is kept at distance x from an infinitely long straight wire carrying a current I_(1) as shown in thefigure. Obtain the expression for the resultant force on the loop.

A square loop of side a is placed in the same plane as a long straight wire carrying a current i . The centre of the loop is at a distance r from wire where r gt gt a . The loop is moved away from the wire with a constant velocity v . The induced e.m.f in the loop is

A square conducting loop is placed in the neighbourhood of a coplaner long straight wire carrying a current i.

A square loop of side a carris a current I . The magnetic field at the centre of the loop is

A square loop ABCD , carrying a current I_(2) is placed near and coplanar with a long straight conductor XY , carrying a current I_(1) as shown in Figure. The net force on the loop will be

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

A rectangular loop carryinig current I is located near an infinite long straight conductor carrying current I as shown in the figure. The loop,