Physics, 25.02.2020 23:56 eeeeee7891

The electric field :

A). always perpendicular to an equipotential surface.

B). is always tangent to an equipotential surface.

C). always bisects an equipotential surface.

D). makes an angle to an equipotential surface that depends on the amount of charge.

Answers: 3

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Answer from: JoeAnthony3293

Always perpendicular to an equipotential surface

Explanation:

The space surround by a charge is called electric field. The surface where the electric potential is constant is called equipotential surface. The work done in moving a charge in electric field is given by :

$W=F\times d$

Electric force is, F = qE

$W=qEd\ \cos\theta$

In equipotential surface, work done by the charge is 0.

So,

$0=qEd\ \cos\theta$

$\theta=90^{\circ}$

Hence, the correct option is (a) "always perpendicular to an equipotential surface".

Answer from: Quest

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Answer from: Quest

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The electric field :

A). always perpendicular to an equipotential surface.

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