In the figure shown there are two semicircles of radii `r_(1)` and `r_(2)` in which a current `i` is flowing. The magnetic induction at the centre `O` will be

The magnetic induction at the centre O in the figure shown in

In the figure shown the current flowing 2 R is:

In the figure shown the current flowing 2 R is:

In the figure shown the current flowing 2 R is:

A wire loop formed by joining two semicircular wires of radii R_1 and R_2 carries a current I as shown in figure. Find the magnetic field induction at the centre O.

The wire loop PQRSP formed by joining two semicircular wires of radii R_(1) and R_(2) carries a current I as shown . The magnitude of the magnetic induction at the center C is ………..

The wire loop PQRSP formed by joining two semicircular wires of radii R_(1) and R_(2) carries a current I as shown . The magnitude of the magnetic induction at the center C is ………..