IP The three charges shown in Figure 20-25 are held in
Chapter 20, Problem 91GP(choose chapter or problem)
The three charges shown in Figure 20–25are held in place as a fourth charge, q, is brought from infinity to the point P. The Charge q starts at rest at infinity and is also at rest when it is placed at the point P.
(a) If q is a positive charge, is the work required to bring it to the point P positive, negative, or zero? Explain.
(b) Find the value of q if the work needed to bring it to point \(P \text { is }-1.3 \times 10^{-11} J\).
Equation Transcription:
Text Transcription:
P is -1.3 \times 10^{-11} J
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