Distinguish between a bar magnet and a solenoid.

Under what conditions permanent electromagnet is obtained if a current carrying solenoid is used? Support your answer with the help of a labelled circuit diagram.

Describe an activity with labelled diagram to show that a current carrying conductor experiences a force in a magnetic field.

State the difference between Fleming’s Left-Hand Rule and Fleming’s Right-Hand Rule. Name the electrical devices where these rules find an important application.

What is the difference between direct current generator and alternating current generator?