A metal sheet is placed in front of a strong magnetic pole. A force is needed to

A conducting loop is placed in front of a strong magnetic pole. A force is needed to

A metal sheet is placed in fron t of the pole of a very strong magnet. A force is needed to

A thin transparent sheet is placed in front of a Young's double slit. The fringe width will

A bar magnet of magnetic moment M is placed at right angles to a magnetic induction B. If a force F is experienced by each pole of the magnet, the length of the magnet will be

A bar magnet of magnetic moment M is placed at right angles to magnetic induction B. If a force F is experience by each pole of the magnet, the length of the magnet will be

Two charges are placed a certain distance apart. A metallic sheet is placed between them. What will happen to the force between the charges ?

The direction of the force produced in a current carrying coil placed in a strong magnetic field is determined by