Electrostatics questions | form five Physics

Define the following terms

1. capacitance
2. Charge density
3. Equipotential surface.

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UNSOLVED

By using coulomb`s law of electrostatics, derive an expression for the electric field strength E, due to a point charge if the material is surrounded by a material of permittivity , and hence show how it relates with charge density .

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UNSOLVED

Describe the structure and the mode of action of a simplified version of the Van de Graaff generator.

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UNSOLVED

Identify any three factors on which the capacitance of parallel plate capacitor depends.

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UNSOLVED

A proton of mass 16.7x10^-28kg falls through a distance of 2.5cm in a uniform electric field of magnitude 2.65x10⁴V/m. Determine the time of fall if the air resistance and the acceleration due to gravity , g are neglected.

Answer / Solution

UNSOLVED