(a) Consider two point charges, +Q and -Q which are fixed

Chapter 16, Problem 16EE

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QUESTION:

Problem 16EE

(a) Consider two point charges, +Q and -Q which are fixed a distance d apart. Can you find a location where a third positive charge Q could be placed so that the net electric force on this third charge is zero? (b) What if the first two charges were both +Q?

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QUESTION:

Problem 16EE

(a) Consider two point charges, +Q and -Q which are fixed a distance d apart. Can you find a location where a third positive charge Q could be placed so that the net electric force on this third charge is zero? (b) What if the first two charges were both +Q?

ANSWER:

Step 1 of 3

(a)

It is given that two point charges, +Q and –Q, are located at a fixed distance d. Let the position of a third charge  is r. The net force will be equal to zero.

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