Two point charges Q, = +4.40 nC and Q, = -1.40 nC are separated by 45.0 cm. (a) What is the electric potential at a point midway between the charges? V (b) What is the potential energy of the pair of charges? What is the significance of the algebraic sign of your answer? O Negative work must be done to separate the charges. O Positive work must be done to separate the charges.

Two point charges Q, = +4.40 nC and Q, = -1.40 nC are separated by 45.0 cm. (a) What is the electric potential at a point midway between the charges? V (b) What is the potential energy of the pair of charges? What is the significance of the algebraic sign of your answer? O Negative work must be done to separate the charges. O Positive work must be done to separate the charges.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter26: Electric Potential

Section: Chapter Questions

Problem 24PQ: Two point charges, q1 = 2.0 C and q2 = 2.0 C, are placed on the x axis at x = 1.0 m and x = 1.0 m,...

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