1.4 (e)

Class Experiment 1

Calculating the number of electrons. Rub a polythene rod for 20 seconds and measure the charge on the rod. Giving or getting the pupils to find the charge of an elecrton, they work out how many electrons have moved to produce the charge measured. Repeat rubbing for 40 and 60 seconds.

Equipment

1x polythene rod, 1x duster, 1x nanocoulombmeter

Syllabus

Motion, Energy & Charge