# physics

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Two charges A and B are fixed in place, at different distances from a certain spot. At this spot the potentials due to the two charges are equal. Charge A is 0.22 m from the spot, while charge B is 0.54 m from it. Find the ratio qB/qA of the charges.

• physics -

φ₁=φ₂
k•q1/r1= k•q2/r2
q1/q2= r1/r2

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