Figure shows a current loop having two c...

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

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

A current loop, having two circular arcs jo ined by two radial lines is shown in the figure. It carries a current of 10 A. The magnetic field at point O will be close to :

The magnetic field at centre O of the arc in Fig.

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.

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 :

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

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