Draw a neat, labelled diagram of an electric bell and explain briefly how it works.

The time taken by a pendulum to complete one oscillation is called _____.

The drawing of an electric circuit using standard symbol is called a/an _____.

(Choose from electric connector/circuit diagram)

Give one word for the following:

An instrument in a vehicle that shows the distance travelled.

Give one word for the following:

The part of an incandescent light bulb that heats up when an electric current passes through it.