Question

# Given three charges: 2 C, 4 C, and -3 C: a. Draw a setup of these...

Given three charges: 2 C, 4 C, and -3 C:

a. Draw a setup of these charges in which the center charge can be held stationary between the other two charges.

b. In your setup, how far must the center charge be from the other two charges in order to be balanced?

PART (a):

From the given charges, two charges are positive and one is negative.

So, negative charge should be kept at center so that the two positive charges pull the center charge each other (opposite charges attract).

PART (b):

We know that the center charge (-3 C) will be pulled by other two charges.

When their pulling forces becomes equal, the center charge will remain stationary.

In that case, we can say that the electrostatic forces is balanced.

• That is the distance between central charge and charge (4 C) should be times the distance between charge (2 C) and the central charge.

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