Cambridge IGCSE Physics practice

Paper 3 structured question: Electric charge

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Paper

Marks

Topic

Electric charge

Exam-style question

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Paper 3Theory (Core)3 marks

Understanding the charging process is essential in physics.

Description

When two solids are rubbed together, electrons are transferred from one to the other, resulting in opposite charges on the two solids.

a
Explain how charging by friction occurs.
Your answer
Aim for approximately 3 distinct marking points.
[3]

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Paper 3Theory (Core)1 marks

Description

When two different materials are rubbed together, one material can become negatively charged while the other becomes positively charged.

a
State the charge of the material that gains electrons during the process.
Your answer
Aim for approximately 1 distinct marking point.
[1]