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4.2 Electrical quantities

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Question 39

Two lightweight spheres, P P\,P and QQQ, hang from insulating threads. When they are brought close to each other, they repel each other.

What must be true about the charges on the spheres?

A

Sphere PPP is charged and sphere QQQ is uncharged.

B

Sphere PPP and sphere QQQ carry opposite charges.

C

Sphere PPP and sphere QQQ carry like charges.

D

Both spheres are uncharged.

Markscheme

4.2 Electrical quantities Questions

  1. IGCSE
  2. /Physics
  3. /4.2 Electrical quantities

452 exam-style questions on CIE IGCSE Physics 4.2 Electrical quantities, covering 4.2.1a Positive and negative charge, 4.2.1b Charging by friction and detecting charge, 4.2.1c Electrical conductors and insulators, 4.2.1d Electric fields and electric field patterns, 4.2.2a Electric current, charge and measuring current, 4.2.2b Conduction in metals and the direction of current, 4.2.2c Direct current and alternating current, 4.2.3a Electromotive force, 4.2.3b Potential difference and voltmeters, 4.2.4a Resistance, 4.2.4b Resistance of a metallic wire, 4.2.4c Current–voltage graphs, and 4.2.5 Electrical energy and electrical power. Each one has a worked solution and a mark scheme showing where the marks go.

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