A particle of charge q and mass m is moved through a distance d (from point A to

Question

A particle of charge q and mass m is moved through a distance d (from point A to point B) within a region of constant, uniform electric field as shown. Let the work done by the electric field during this motion be We, and let the potential difference that the particle moves through be Delta /. Below, indicate how We and Delta V change (or state that there is no change) as the other variables are changed. Scenario Change: Effect on We'. Effect on Delta V: The magnitude of the field is doubled The sign of the charge is changed The direction of the field is reversed The mass of the particle is halved The particle moves from B to A instead of A to B The sign of the field's horizontal component is changed The magnitude of the charge is doubled sign changed cannot tell no change doubled

Explanation / Answer

Answers are as below -

The magnitude of field is Doubled, ===== Doubled , Doubled.
The sign of the charge is changed, ====== Sign Changed, No Change.
The Direction of the Field is reversed, === Sign Changed, Sign Changed.
The mass of the particle is halved, ====== No Change, No Change.
The particle moves from B to A instead of A to B, ======== Sign Changed, Sign Changed.

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