Two concentric circular loops of radii `r_(1)=sqrt(7)cm` and `r_(2)=sqrt(14)cm` are placed in the `Y-Z` plane as shown in the figure. The magnetic moment of this loop system is n times`10^(-3)Am^(2)` Value of n is --------

Two circular concentric loops of radii r_(1)=20cm, r_(2)=30 cm are placed in the X-Y plane as shown in the figure. A current I= 7 A is flowing through them. The magnetic moment of this loop system is

Two concentric co - planar circular loops of radius R and r (lt lt R) are placed as shown in the figure. The mutual inductance of the system will be

A circular loop carrying a current I is placed in the xy-plane as shown in figure. A uniform magnetic fied B is oriented along the positive z-axis. The loop tends to

Two conducting circular loops of radii R_1 and R_2 are placed in the same plane with their centres coincidingt. Find the mutual inductane between them assuming R_2ltltR_1 .

Two concentric rings of radii R_(1) = sqrt(6) m and R_(2) = 4m are placed in y-z plane with their centres at origin. They have uniform charge -q and + Q = 2 sqrt(2) q on the inner and outer rings respectively. Consider the electrostatic potential to be zero at infinity. Then

The conducting circular loops of radii R_(1) and R_(2) are placed in the same plane with their centres coinciding. If R_(1) gt gt R_(2) , the mutual inductance M between them will be directly proportional to

The conducting circular loops of radii R_(1) and R_(2) are placed in the same plane with their centres coinciding. If R_(1) gt gt R_(2) , the mutual inductance M between them will be directly proportional to

The conducting circular loops of radii R_(1) and R_(2) are placed in the same plane with their centres coinciding. If R_(1) gt gt R_(2) , the mutual inductance M between them will be directly proportional to

The conducting circular loops of radii R_(1) and R_(2) are placed in the same plane with their centres coinciding. If R_(1) gt gt R_(2) , the mutual inductance M between them will be directly proportional to

A current carrying circular loop of radius R is placed in the x-y plane with centre at the origin. Half of the loop with xgt0 is now bent so that it now lies in the y-z plane.