Home
Class 12
PHYSICS
Figure shows a square loop made from a u...

Figure shows a square loop made from a uniform
wire. Find the magnetic field at the centre of the square
if a battery is connected between the points A and C.

Text Solution

Verified by Experts

Solution: The current will be equally divided at A. The fields
at the centre due to the currents in the wires AB and DC
will be equal in magnitude and opposite in direction. The
resultant of these two fields will be zero. Similarly, the
resultant of the fields due to the wires AD and BC will be
zero. Hence, the net field at the centre will be zero.
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC FIELD DUE TO CURRENT

    HC VERMA|Exercise questions for short answer|12 Videos

  • MAGNETIC FIELD DUE TO CURRENT

    HC VERMA|Exercise Objective 1|12 Videos

  • MAGNETIC FIELD DUE TO CURRENT

    HC VERMA|Exercise exercise|61 Videos

  • MAGNETIC FIELD

    HC VERMA|Exercise Exercises|60 Videos

  • MAGNETIC PROPERTIES OF MATTER

    HC VERMA|Exercise Exercise|9 Videos

Similar Questions

Explore conceptually related problems

A current of 2*00 A exists in a square loop of edge 10*0 cm . Find the magnetic field B at the centre of the square loop.

A square loop of wire of side a carries a current i . Calculate the magnetic field at the centre of the loop

Figure shows a current loop having two circular arcs joined by two radial lines. Find the magnetic field B at the centre O.

Four long, straight wires, each carrying a current of 5.0 A, are placed in a plane as shown in figure . The points of intersection form a square of side 5.0 cm. (a) Find the magnetic field at the centre P of the square. (b) Q_1, Q_2, Q_3 and Q_4 are points situated on the diagonals of the square and at a distance from P that is equal to the length of the diagonal of the square. Find the magnetic fields at these points.

Find the magnetic field B at the centre of a rectangular loop of length l and width b, carrying a current i.

Figure shows a square loop of edge a made of a uniform wire. A current i enters the loop at the point A and leaves it at the point C. Find the magnetic field at the point P which is on the perpendicular bisector of AB at a distance a/4 from it.

The wire ABC shown in figure forms an equilateral triangle. Find the magnetic field B at the centre O of the triangle assuming the wire to be uniform.

Two wires both of length are formed into (1) a circle and (2) a square . Each one carries a current i,Show that the magnetic field at the centre produced by the square is greater that that produced by the circle.

Calculate the magnetic field at the center of a square loop which carries a current of 1.5 A , length of each loop is 50 cm .