A current `I(=4A)` flows along a thin wire PQRS shaped as shown in figure. The radius of the curved part of the wire is `10*0cm`. The angle `theta=90^@`. Find the magnitude of the total magnetic field at the point O.

A current I flows along a thin wire shaped as shown in figure. The radius of the curved part of the wire is r. The field at the centre O of the coil is:

A current I flows along a thin wire shaped as shown in figure. The radius of the curved part of the wire is r. The field at the centre O of the coil is:

Find the magnetic induction of the field at the point O at a loop with current I , whose shape is illustrated in figure (a)In figure a the radii a and b , as well as the angle varphi are known (b)In figure b ,the raidus a and the side b are known. (c)A current I=5.0 A flows along a thin wire shaped as shown in figure.The radius of a curved part of the wire is equal to R=120 mm ,the angle 2varphi=90^(@) .Find the magnetic induction of the field at the point O .

A current I = 5.0 A A flows along a thin wire shaped as shwon in Fig. The radius of a curved part of the wire is equal to R = 120 mm , the angle 2varphi = 90^(@) . Find the magentic induction of the field at the point O .

Consider a current carrying wire shown in the figure. If the radius of the curved part of the wire is R and the linear parts are assumed to be very long, then the magnetic induction of the field at the point O is

Current I is flowing in a conductor shaped as shown in the figure . The radius of the curved part is r and the length of straight portion is very large . The value of the magnetic field at the centre O will be

A current I is flowing in a conductor shaped as shown in figure. The radius of the curved part is r and length of straight portion is very large. Find the magnetic field induction at the centre O.

A current I is flowing in a conductor shaped as shown in figure. The radius of the curved part is r and length of straight portion is very large. Find the magnetic field induction at the centre O.