STD VIII – ELECTRICITY (Online)

Introduction to Static Electricity

Can you see commonality between a tube light which gives light and lightning? Yes, electricity is what makes tube light give light and lightning to spark. 

A charge is that property of a matter which results in electricity. The charges can be stationary or in motion. When you rub comb with hair, it acquires electrons and thus becomes negatively charged and attracts paper pieces. This happens due to static electricity. The charges that are generated by rubbing are static.

In this topic, you will be given an introduction to static electricity and stuff related to static electricity.

Household consumption of electrical energy

kWh  is the unit in which the consumer pays the cost of electricity.

Total energy consumed in kWh = Total power rating in kW × time duration in hours