MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Earn 100

Suggest how a plastic rod may be given an electrostatic charge.

Important Questions on Static Electricity

EASY
Upper Secondary: IGCSE
IMPORTANT
Two positively charged polystyrene spheres are held close to one another. Will they attract or repel one another?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
A polythene rod is rubbed using a woollen cloth. The rod gains a negative charge. What can you say about the charge gained by the cloth?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
A polythene rod is rubbed using a woollen cloth. The rod gains a negative charge. Will the rod and the cloth attract or repel each other?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
If you rub a comb through your hair, your hair is attracted to the comb. After combing, your hair is light and fluffy. The individual hairs repel each other. What do these observations tell you about the electric charges on your hair and on the comb?
HARD
Upper Secondary: IGCSE
IMPORTANT
Draw a diagram to show how a negatively charged polythene rod can attract an uncharged scrap of paper.
EASY
Upper Secondary: IGCSE
IMPORTANT
What charge does an electron have, positive or negative? Explain.
EASY
Upper Secondary: IGCSE
IMPORTANT
Would two electrons attract or repel one another? Explain.
HARD
Upper Secondary: IGCSE
IMPORTANT

Two identical metal spheres are placed close to one another. One is given a large negative charge. The two are then connected by a wire. Use the idea of electric force to explain what happens next.