P4 ELECTROSTATICS Flashcards

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1
Q

Principle of charge quantisation

A

All charges in the universe consist of an integer multiple of the

charge on one electron.

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2
Q

principle of conservation of charge

A

The net charge of an isolated system remains constant during

any physical process.

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3
Q

polarisation of charges

A

The partial or complete polar separation of positive and negative electric

charge in a system.

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4
Q

coulombs law

A

The magnitude of the electrostatic force of attraction or repulsion exerted by one
point charge (Q1) on another point charge (Q2) is directly proportional to the product of the
magnitudes of the charges and inversely proportional to the square of the distance (r)
between their centres.

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5
Q

electric field

A

It is a region of space in which an electric charge experiences a force.

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6
Q

electric field (strength) at a point

A

It is the electrostatic force experienced per unit positive point

charge placed at that point.

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