Positive charge q is distributed uniformly along the x-axis from x = 0 to x = a. a positive point charge q is located on the positive x-axis at x = a + r, where r is the distance to the right end of q.(a) calculate the x-component of the electric field produced by the charge distribution q at points on the positive x-axis where x > a.(b) calculate the y-component of the electric field produced by the charge distribution q at points on the positive x-axis where x > a.(c) calculate the magnitude of the force that the charge distribution q exerts on q.(d) calculate the direction of the force that the charge distribution q exerts on q.

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How much energy is supplied to each coulomb of charge that flows through a 12-v battery?