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4 a) Sketch arrows on the diagram (see attachment) to indicate the direction of the electric field, if any, at each of the points A, B, C, and D.

A positively charged test particle is observed to move as described below. For each motion, tell whether the work done by the electric field is positive, negative, or zero. Explain your reasoning in each case. Two charges +Q and -Q are fixed in place at the positions shown. Four points A, B, C, and D are labeled on the diagram.

c) Rank, from highest to lowest, the electric potentials at points A, B, C and D. Explain.

5. For each pair of charges, draw a forcevector on each charge to show the electric force acting on that charge. The length of each vector should be proportional to the magnitude of the force. Each (+) and (-) symbol represents the same quantity of charge.

6. (10 pts.) For each of the figures, use dots to mark any point or points (other than infinity) where the electric field is zero. Explain your reasoning for part (a).

... experience a force in the direction of the electric field ie x ...direction ie the displacement is perpendicular to the direction of force; work done is zero ...

... Based on (a) and (b), if we move the positive charge in the opposite direction to the electric field, we need to do real work, and the work done on the charge ...

... example of a force causing an object to change direction without doing any work on it ... room the fuse would blow and all the appliances would stop working. ...

... a negative particle will be in the direction that leads ... potential at point k is zero.Therefore electric field at k ... zero , because W = V q and work done is zero ...

... in the direction of the field and thus will make angle with the direction of y ... This work done is negative means that the work is done by the ...

... 3 A uniform electric field of magnitude 375 N/C pointing in the positive x-direction acts on an ... has moved 3.20 cm, what is (a) the work done by the ...

... 3) In the figure, find the magnitude and direction of the electric field at the points A, B, C and D. 4) In question 3), calculate the work done needed to move ...

...Do the two pods, so far apart, feel any electrostatic attraction? ... Show your work in detail ... can be either up or down.) Which are the possible directions for the ...

... of EM waves based upon the earlier works of Coulomb ... magnetic field and is in the same direction on both ... in vacuum), the electro-magnetic wave does not require ...

... Mass of the electron = 9.11 x 10^-31 kg Work done by the field gets converted ... are very easy to add since there are no vectors with directions and components ...