How does the strength of an object's electric field change with distance?

Answer 1

It is dependent upon the electric field's source.

For a point charge, it reduces as #1/r^2# , if r is the distance from the charge.

For a very long charged wire, it reduces as #1/r#.

However, it is a constant—that is, it doesn't decrease with distance from the sheet—for an extremely long, thin, charged sheet.

The characteristics of the electric fields produced when magnetic fields are changed again vary.

Therefore, the difference is determined by the source.

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Answer 2

Axel Acevedo

The strength of an object's electric field decreases with distance according to the inverse square law. This means that as you move farther away from the object, the electric field strength decreases proportionally to the square of the distance.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.