Question

If f is the magnitude of force experienced by a unit charge placed at a distance of 1 cm from a infinitely large charged sheet, then what will be the force experienced by the same charge placed at a distance of 2 cm from the same sheet?

Answer 1

Answer:

Magnitude of force is F, same as initial

Explanation:

As we know that the electric field due to long infinite sheet is given as

$E = \frac{\sigma}{2\epsilon_0}$

so here we know that the electric field is independent of the distance from the sheet

So here as we move away from the sheet the electric field remains the same

So here electric field will be same

So we have

$E = constant$

So at d = 2cm the field is same and hence the force on unit charge will be same as initial force

So force on it at d = 2 cm is F

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Topic : electric field due large sheet

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Answer 2

Answer:

so here we know that the electric field is independent of the distance from the sheet

So here as we move away from the sheet the electric field remains the same

So here electric field will be same

So we have

So at d = 2cm the field is same and hence the force on unit charge will be same as initial force

So force on it at d = 2 cm

Explanation: