What is the principle of an electric motor?

How does a solenoid behave like a magnet? Can you determine the north and south poles of a current-carrying solenoid with the help of a bar magnet? Explain.

When is the force experienced by a current-carrying conductor placed in a magnetic field largest?

State Fleming's left-hand rule.

What is the role of the split ring in an electric motor?

Imagine that you are sitting in a chamber with your back to one wall. An electron beam,moving horizontally from the back wall towards the front wall,is deflected by a strong magnetic field to your right side. What is the direction of the magnetic field?