1 The magnetic field at point P is 3 Hol 4 2 a 1 Mal 8 2na O a 2 4 2 a 3 4 8 2na 2 Then around which loop linking both

Question

1 The magnetic field at point P is 3 Hol 4 2 a 1 Mal 8 2na O a 2 4 2 a 3 4 8 2na 2 Then around which loop linking both wireselgestioppaper A current carrying wire carries a current of 2A along the z axis which is out of the page while another wire carrying current of 4A in the same direction lies parallel to the first as shown in the figure B d will be zero 1 1 2 3 4 1 2 2 1 4 1 1 4 A square loop made of 4 identical conducting rods each of mass m and length I carry current i The loop is placed in a vertical position on a frictionless horizontal plane A uniform horizontal magnetic field B is in the plane of the loop then find the torque due to magnetic field on the loop at this instant 3 4 None of these Positive like charge of linear charge density A is passed on the outer circumference of an annular disc having outer radius 2R Negative like charge of 6 linear charge density A is passed on the inner circumference of the disc having inner radius R The disc is rotating with constant angular velocity about an axis passing through the centre of mass and perpendicular to its plane If the net magnetic field at the centre of the disc is 0 then the ratio en 0 2 i B 4 2i1 B A loop carrying current i lies in x y plane as shown in the figure The loop is made of 4 semicircular portions The magnetic moment of the current loop is 1 a ik 3 1 a k A homogeneous non conducting disc of radius R carries uniform surface charge density a The disc is rotating about an axis through its centre of mass and perpendicular to the plane with constant angular velocity The magnetic dipole moment is 1 B 2 21 TOR GR 2 2x 1 a ik 200 CHAND 2 A zaR 2 OR

Kunduz · Accepted Answer

Click to see the answer