A point charge of $- 3.5$ nC is placed at the origin. The direction of the electric field at the location $x = - 0.3$ m, $y = - 0.5$ m is (measured counterclockwise from +x)

Name: A point charge of $- 3.5$ nC is placed at the origin. The direction of the electric field at the location $x = - 0.3$ m, $y = - 0.5$ m is (measured counterclockwise from +x)
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Question

Quizplus · Accepted Answer

The electric field points directly towards the negative charge, so the angle is 180º + arctan(0.5/0.3) = 239º.

A Point Charge Of −3.5- 3.5−3.5 NC Is Placed at the Origin

A Point Charge Of $- 3.5$ NC Is Placed at the Origin