Positive charge Q is distributed uniformly along the x-axis from x = 0 to x = a. A positive point charge q is located at x = a + r (see figure on the right). (a) Find the electric field due to the charge Q at the location of q (at x = a + r). (b) Find the electric force that Q exerts on q. Show that for the I Qq 04 and limiting case r >> a, the force reduces to - a *-r 4.Tɛ, r² explain why you achieve this result.

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Positive charge Q is distributed uniformly along
the x-axis from x = 0 to x = a. A positive point charge q is located
at x = a + r (see figure on the right).
(a) Find the electric field due to the charge Q at the location of q
(at x = a + r).
(b) Find the electric force that Q exerts on q. Show that for the
I Qq
04 and
limiting case r >> a, the force reduces to
- a *-r
4.Tɛ, r²
explain why you achieve this result.
Transcribed Image Text:Positive charge Q is distributed uniformly along the x-axis from x = 0 to x = a. A positive point charge q is located at x = a + r (see figure on the right). (a) Find the electric field due to the charge Q at the location of q (at x = a + r). (b) Find the electric force that Q exerts on q. Show that for the I Qq 04 and limiting case r >> a, the force reduces to - a *-r 4.Tɛ, r² explain why you achieve this result.
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