Two charges + q and -q are located at point A (0,0, - 2) and B(1,0,0) respectively how much work will be done in moving a test charge from point p (4,0, 0 )and q (- 5,0,0)
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find the distance between the 2 charges
according to distance formula
so the distance between the 2 charges is
( root 5)
then find the force between the two charge
F = kq1q2÷r^2
F= -kq^2/5
now find the distance between p and q
that is (root 41)
we know that
work done = force × distance
W =( -kq^2 × root 41)÷5
according to distance formula
so the distance between the 2 charges is
( root 5)
then find the force between the two charge
F = kq1q2÷r^2
F= -kq^2/5
now find the distance between p and q
that is (root 41)
we know that
work done = force × distance
W =( -kq^2 × root 41)÷5
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