Available Answers

1. 1.

   Define electric circuit.

2. 2.

   Write the difference between an open and a closed circuit.

3. 3.

   Why does an electric bulb glow?

4. 4.

   What are the three conditions necessary for electric current to flow.

5. 5.

   What is a fuse? Name the different types of fuse used.

6. 6.

   Name some appliances in which electromagnets are used.