What is the direction of magnetic field lines inside a bar magnet?

State Faraday's laws of electromagnetic induction.

Name and state the rule to determine the direction of a force experienced by a current-carrying straight conductor placed in a magnetic field which is perpendicular to it. Name a device that uses a current-carrying conductor and a magnetic field.

Whenever the magnetic field through a coil is changed,a potential difference is produced in the coil.

Name four appliances wherein an electric motor,a rotating device that converts electrical energy to mechanical energy,is used as an important component. In what respect are motors different from generators?

What is meant by the term "magnetic field lines"? List two properties of magnetic field lines.