The lines show the equipotential contours in the plane of three point charges, Q

Question

The lines show the equipotential contours in the plane of three point charges, Q1, Q2, and Q3. The values of the potentials are in kV as indicated for the +5, 0, and -5 kV contours. The positions of the charges are indicated by the dots.

The letters are on the equipotential contours.

False: The electric field at k is zero.
False: The force on a proton at g points to the bottom of the page.
True: The electric field at i is stronger than at j.
False: Charge Q2 is the largest negative charge.
True: Charge Q3 has the largest magnitude of all.
True: Q1 is a negative charge.

Calculate the work required to move a charge of -0.59

The lines show the equipotential contours in the plane of three point charges, Q1, Q2, and Q3. The values of the potentials are in kV as indicated for the +5, 0, and -5 kV contours. The positions of the charges are indicated by the dots.

Explanation / Answer

The lines show the equipotential contours in the plane of three point charges, Q

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