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Electric charge & Coulomb's law

Physics · Electricity & magnetism

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About this practice set

Electric charge & Coulomb's law is part of Physics (Electricity & magnetism). Questions are generated with new numbers each time you practise. Levels available: Easy. After you answer, an explanation is shown.

Example questions

A taste of what you will practise. Answers are revealed after you try.

  • Easy

    Charges of 4.0e-6 C and 3.0e-6 C are 1 cm apart. What is the electric force between them? (k = 9.0e+9 N·m²/C²)