How do electromagnets work?

How does the electromagnetic train work?

(a) How are electromagnetic waves produced? (b) How do you convince yourself thal electromagnetic waves carry energy and momentum?

How do excretory organs work?

How do refrigerators work?

What do we study in electromagnetism ?

What is an electromagnet ? State the principle on which it works. Draw a circuit diagram to show how a soft iron piece can be transformed into an electromagnet . Write uses of electromagnet.

How do you show that electromagnetic waves carry energy and momentum?

How do you call the entire range of electromagnetic wave frequencies ·

How do electric appliances work?