Electrostatics questions | form five Physics
Find Electrostatics examination questions, form five Physics in acaproso.com
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1 | Give the meaning of the terms capacitance and relative permittivity. Short answers |
2 | Calculate the capacitance of a pair of parallel plates 0.1 m by 0.1 m with an air gap of 5mm. Mathematical Calculation |
3 | What is a Van de Graaff generator? Short answers |
4 | In a Van de Graaff generator, the shell electrode is at 25x10V. If the dielectric strength Mathematical Calculation |
5 | State Coulomb’s law of forces. Short answers |
6 | An electron is situated in a uniform electric field of field strength of 1.2×10Vm-1 . Find Mathematical Calculation |
7 | Define the terms electric potential and electric potential and electric field-strength E at a point in hte electrostatic field. Short answers |
8 | How electric potential and electric field-strength E are related?. Short answers |
9 | Outside the sphere, a charged sphere behaves like its charges were concentrated at the centre. If the electric field strength inside the sphere is zero and one sphere of radius 5.0cm carries a positive charge of 6.7nC, calculate;
Mathematical Calculation |
10 | Figure 1 shows two horizontal parallel conducting plates in a vacuum. If a small particle of mass 4x10-12Kg carries a positive charge of 3.0x10-14 C is released at point A close to the upper plate.
Mathematical Calculation |