1) Calculate the magnitude and direction of the electrostatic force between a positive and negative charge carrying a charge of 3x10-6 and 4.5x10-6 respectively. The charges are 2.5 cm apart.

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Chapter25: Surge, Spike, And Lightning Protection
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1) Calculate the magnitude and direction of the electrostatic force between a
positive and negative charge carrying a charge of 3x10-6 and 4.5x10-6
respectively. The charges are 2.5 cm apart.
2) Calculate the force exerted on Q1 by Q2 and Q3 and state which direction the
charge will move, a = 1.75x10-15m , b = 15x10-15m and Q1 = Q2 = Q3 =
1.602x10-19C.
Q1
Q2
Q3
3) Calculate Work done placing a positive charge (Q1=3.4x10-12 C) a distance of
1nm away from another positive charge Q2=5x10-11 C.
4) State what is meant by lines of equipotential.
Transcribed Image Text:1) Calculate the magnitude and direction of the electrostatic force between a positive and negative charge carrying a charge of 3x10-6 and 4.5x10-6 respectively. The charges are 2.5 cm apart. 2) Calculate the force exerted on Q1 by Q2 and Q3 and state which direction the charge will move, a = 1.75x10-15m , b = 15x10-15m and Q1 = Q2 = Q3 = 1.602x10-19C. Q1 Q2 Q3 3) Calculate Work done placing a positive charge (Q1=3.4x10-12 C) a distance of 1nm away from another positive charge Q2=5x10-11 C. 4) State what is meant by lines of equipotential.
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