A uniform magnetic field of `0.20 xx 10^(-3) T` exists in the space. Find the the change in the magnetic scalar potential as one moves through 50cm along the field.

A Uniform electric field of 10NC ^(-1) exists in the vertically downward direction. Find the increase in the electric potential as one goes up through a height of 50cm.

A Uniform electric field of 10NC ^(-1) exists in the vertically downward direction. Find the increase in the electric potential as one goes up through a height of 50cm.

A Uniform electric field of 10NC ^(-1) exists in the vertically downward direction. Find the increase in the electric potential as one goes up through a height of 50cm.

A bar magnet having a magnetic moment of 2 xx 10^4 JT^(-1) is free to rotate in a horizontal plane. A horizontal magnetic field B = 6 xx 10^(-4) T exists in the space. The work done in taking the magnet slowly from a direction parallel to the field to a direction 60^@ from the field is

A bar magnet having a magnetic moment of 2 xx 10 ^(4) JT ^(-1) is free to rotate in a horizontal plane. A horizontal magnetic field B = 6 xx 10 ^(-4) T exists in the space. The work done in taking the magnet slowly from a direction parallel to the field to a direction 60^(@) from the field is