Electrostatics Questions and Answers

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A hockey player trains on a nylon fiber surface. As he runs around, his shoes rub against the surface and he becomes positively charged.

asked Aug 23, 2021 in Physics Form 1 by anony mous

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A highly negatively charged rod is brought slowly towards the cap of a positively charged leaf electroscope. It is observed that the leaf initially collapses and then diverges. Explain the observations.

asked Aug 18, 2021 in Physics Form 1 by anonymous

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The figure below shows three capacitors of capacitance 3µF, 2µF, and 6µF. Connected to a 12v supply circuit.

asked Jul 29, 2021 in Physics Form 3 by anonymous

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When a positively charged conductor is brought close to a candle, the flame is diverted as shown in the figure below. Explain this observation.

asked Jul 29, 2021 in Physics Form 3 by anonymous

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The figure below shows a point placed near a positively charged rod. Draw on the diagram the resulting electric field patterns.

asked Jul 29, 2021 in Physics Form 3 by anonymous

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What is meant by the term capacitance?

asked Jul 29, 2021 in Physics Form 3 by anonymous

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Explain why a gold leaf is electroscope casing is made up of metal

asked Jul 28, 2021 in Physics Form 1 by anony mous

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Dust particles in air appear to move randomly, explain this observation.

asked Jul 28, 2021 in Physics Form 1 by anony mous

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State two uses of a charged gold leaf electroscope.

asked Jul 26, 2021 in Physics Form 1 by anony mous

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State two factors that affect the capacitance of a parallel plate capacitor.

asked Jul 14, 2021 in Physics Form 3 by anony mous

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The neutral identical aluminium spheres A and B are hanged freely such that they are in contact, as shown in the figure. A negatively charged rod is brought close to the spheres as shown.

asked Jul 13, 2021 in Physics Form 1 by anony mous

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A piece of red-hot charcoal is brought close to the cap of a negatively charged electroscope, Explain what is observed

asked Jun 26, 2021 in Physics Form 1 by Denke

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State how eddy currents are minimised in a transformer.

asked Jun 21, 2021 in Physics Form 1 by anonymous

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State two ways of minimising power losses during the transmission of electric power.

asked Jun 21, 2021 in Physics Form 1 by anonymous

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State the purpose of a fuse in an electrical circuit.

asked Jun 21, 2021 in Physics Form 1 by anonymous

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Figure 3 shows an annular ring.

asked Jun 21, 2021 in Physics Form 1 by anonymous

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Figure 1 shows a gold leaf electroscope

asked Jun 21, 2021 in Physics Form 1 by anonymous

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