Four Charged Particles (Two Having a Charge +Q and Two

question 14

Multiple Choice

Four charged particles (two having a charge +Q and two having a charge -Q) are arranged in the xy-plane as shown in the figure.The charges are all equidistant from the origin.The amount of work required to move a positively charged particle from point P to point O (both of which are on the z-axis) is

• A)zero.
• B)positive.
• C)negative.
• D)depends on the path in which the charged is moved.

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