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ACTIVITY 1: EXPERIMENT TO INVESTIGATE ORIGIN OF CHARGE

A stationary electrical charge that is built up on the surface of a material is known as static electricity.

 

Case Study

After being rubbed, a plastic ruler can attract paper scraps. Explain.

Using the link below find out the origin of charge.

https://phet.colorado.edu/sims/html/balloons-and-static-electricity/latest/balloons-and-static-electricity_en.html

EXPERIMENT

AIM: TO INVESTIGATE ORIGIN OF CHARGE

APPARATUS: Plastic ruler, fur, small pieces of styroform(pith balla)

PROCEDURE 

  • You are provided withe a plastic ruler, fur and small pith balls.
  • Rub the ruler with fur as shown belo;
  • Bring the rubbed plastic ruler near the pith balls.What do you observe?
  • Explain the observation you have made.