A system has two charges q_A = 2.5 x 10^–7 C and q_B = –2.5 x 10^–7 C located at points A: (0, 0, –15 cm) and B: (0, 0, + 15 cm), respectively. What are the total charge and electric dipole moment of the system?

Total charge,

straight q equals straight q subscript straight A plus straight q subscript straight B space space equals space 2.5 space cross times space 10 to the power of negative 7 end exponent space minus space 2.5 space cross times space 10 to the power of negative 7 end exponent space equals space 0

a = AB = 15 – (– 15) = 30 cm = 0.3 m Electric dipole moment

box enclose straight p space equals space straight q. space straight a end enclose

equals 2.5 space cross times space 10 to the power of negative 7 end exponent space left parenthesis 0.3 space straight m right parenthesis equals space 7.5 space cross times space 10 to the power of negative 8 end exponent space Cm space left parenthesis along space space minus straight Z minus axis right parenthesis.

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A system has two charges qA = 2.5 x 10–7 C and qB = –2.5 x 10–7 C located at points A: (0, 0, –15 cm) and B: (0, 0, + 15 cm), respectively. What are the total charge and electric dipole moment of the system?

Electric Charges and Fields

Physics Part I

A system has two charges q_A = 2.5 x 10^–7 C and q_B = –2.5 x 10^–7 C located at points A: (0, 0, –15 cm) and B: (0, 0, + 15 cm), respectively. What are the total charge and electric dipole moment of the system?