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Electricity and D.C. Circuits
Quick questions on Static electricity and charge explained: O-Level Physics
5short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is two kinds of charge?Show answer
There are two types of electric charge, positive and negative. An atom is normally neutral because it has equal numbers of positive protons and negative electrons. Charge is measured in coulombs ().
What are forces between charges?Show answer
Charged objects exert forces on one another:
What is q1?Show answer
State whether an object that has gained electrons is positively or negatively charged. [1 mark]
What is q2?Show answer
State the law describing the force between two charges. [1 mark]
What is q3?Show answer
A cloth is rubbed on a plastic rod and the rod becomes negative. Explain what happens to the cloth and why. [2 marks]
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