A magnetic ______ is a simple device based on the property of direction of a magnet.
Hence, a magnetic compass is a simple device based on the property of direction of a magnet.
(a) A current-carrying conductor is placed perpendicularly in a magnetic field. Name the rule which can be used to find the direction of force acting on the conductor.
(b) State two ways to increase the force on a current-carrying conductor in a magnetic field.
(c) Name one device whose working depends on the force exerted on a current-carrying coil placed in a magnetic field.