Determine the direction of the force (if any) that will act on the charge in eac

Question

Determine the direction of the force (if any) that will act on the charge in each of the following situations. A positive charge within an electric field that points to the left. Upward A negative charge within an electric field that points upward. to the right A positive charge moving into the screen in a magnetic field that points upward. out of the screen A negative charge moving to the left in a magnetic field that points into the screen. _______________ A positive charge moving upward in an electric field that points out of the screen. _______________ A negative charge moving into the screen in a magnetic field that points into the screen. _______________

Explanation / Answer

Case 1. A positive charge within an electric field points upwards :- To the left as electric field is always away from a positive charge so it will repel the poistive charge so charge will experience a force in the direction of electric field.

Case 2.  A negative charge within an electric field that points to the left :- Downwards as electric field is always away from a positive charge so it will attarcts the negative charge so charge will experience a force in the opposite direction of electric field.

Case 3) To the right using Fleming Left rule.

Case 4) Upwards using Fleming Left rule.

Case 5) Into the screen

Case 6) Zero Force as velocity vector is // to the direction of magnetic field.

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