Question

Charges of +10 microcolumb ,+20 microcolumb and -20 microcolumb are placed in air at the corners of an equilateral triangle each of side equal to 0.2m . determine the force on charge +10 microcolumb

Answer 1

Explanation:

Given an equilateral triangle of side 10cm.

Altitude of an equilateral triangle is also a median

If all sides are equal, then

2

1

of one side is 5cm.

⇒10

2

−5

2

=a

2

∴a=5

3