Electrostatics questions | form five Physics

(5740) Question Category: Short answers

Give the meaning of the terms capacitance and relative permittivity.

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(5741) Question Category: Mathematical Calculation

Calculate the capacitance of a pair of parallel plates 0.1 m by 0.1 m with an air gap of 5mm.

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(5742) Question Category: Short answers

What is a Van de Graaff generator?

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(5743) Question Category: Mathematical Calculation

In a Van de Graaff generator, the shell electrode is at 25x10​V. If the dielectric strength
of the gas surrounding the electrode is 5x107 V/m, calculate the minimum radius of the
spherical shell.

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(5744) Question Category: Short answers

State Coulomb’s law of forces.

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