A straight wire carrying an electric current is placed
along the axis of a uniformly charged ring. Will there
be a magnetic force on the wire if the ring starts rotating
about the wire? If yes, in which direction?

A straight wire carrying current is parallel to the y-axis as shown in Fig. The

A long straight wire is placed along the axis of a circuit ring of radius R. The mutual inductance of this system is

A current- carrying straight wire is kept along the axis of a circular loop carrying a current. The straight wire

A long straight conductor carrying a current lies along the axis of a ring. The conductor will exert a force on the ring if the ring A. Carries a current B. has uniformly distributed charge C. has non-uniformly distributed charge D. none of the above

The figure shows a long straigh wire carryhing a current I_1 along the axis of a circular ring carrying a current I_2 . Identify the correct statement.

A short current carrying conductor is placed perpendicular to the axis of a current carrying ring as shown. The direction of force acting of the conductor is

Two parallel wires are carrying electric currents of equal magnitude and in the same direction. They

An electric current flows in a wire from north to south. What will be the direction of the magnetic field due to this wire at a point.

A current carrying wire is placed along east and west in a magnetic field directed north wards. If the current in the wire is directed east wards, the direction of force on the wire is

A small electric dipole is kept on the axis of a uniformly charged ring at distance R // sqrt(2) from the centre of the ring. The direction of the dipole moment is along the axis. The dipole moment is P, charge of the ring is Q and radius of the ring is R. The force on the dipole is nearly _____