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Question: 1a a force of 500 n exists between two identical...

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1a) A force of 500 N exists between two identical point charges separated by a distance of 40 cm, Calculate the magnitude of the two point charges.

1b) An attractive force of 1500 N exists between a +900 nC charge and another charge. The two charges are separated by 50 mm. What is the magnitude and sign of the other charge?

1c) What is the electric flux through a sphere of radius 4m that contains a
i) +50 μC
ii) -50 μC charge
at its center?

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