DLC #3 quiz study guide with correct answers
A 10 µC charge is at the origin. A -15 µC charge is on the x-axis 10 cm to the right of the origin. At what point other than at infinity can a 1 µC charge be placed so that there will be no net electrostatic force on it? correct answersAt one point on the x-axis to the left of the positive charge. A positive test charge is moved closer to a negative charge. The potential of the test charge _____________________ (indicate whether it increases, decreases, or stays the same). correct answersDecreases Refer to the dipole in the z, w coordinate system above. Consider the electric field at a point α out on the z-axis, above and to the right of the intersection of the axes. In which direction does the electric field point at point α? correct answers45° up and to the left, parallel to the w-axis Which of the following units is not an energy unit? correct answersHorsepower Units of energy correct answersJoule Kilowatt-hour Kilocalorie Calorie
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