HARD
Upper Secondary: IGCSE
IMPORTANT
Earn 100
Draw a diagram to show how a negatively charged polythene rod can attract an uncharged scrap of paper.
Important Questions on Static Electricity
EASY
Upper Secondary: IGCSE
IMPORTANT
EASY
Upper Secondary: IGCSE
IMPORTANT
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.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Copy and complete the following sentence, choosing the correct word from each pair.
A ______ (charged / uncharged) object may ______ (attract / repel) an uncharged object. If the object has a positive charge, it will ______ (attract / repel) electrons in the uncharged object. The objects then ______ (attract / repel) each other. This is called charging by ______ (conduction / induction).
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Copy and complete the table, by adding the name of the unit and the symbol for the unit for the two quantities.
|
Quantity |
Unit | Symbol for unit |
| Force | ||
| Electric charge |
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
When a Perspex rod is rubbed on a woollen cloth, the rod acquires a negative electric charge. What type of electric charge does the cloth acquire?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
When a Perspex rod is rubbed on a woollen cloth, the rod acquires a negative electric charge. What can you say about the amounts of charge on the two charged items?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
When a Perspex rod is rubbed on a woollen cloth, the rod acquires a negative electric charge. If you had two Perspex rods charged up in this way, how could you show that they both have electric charges of the same sign?
