Question: Objects of charge q 1 = Q and q 2 = 3Q are located on the x axis as shown in Figure P17.34.? (a) Suppose

Objects of charge q1 = Q and q2 = 3Q are located on the x axis as shown in Figure P17.34.?

(a) Suppose a third object of unknown charge q3 is now placed someplace on the x axis. Where should the third object be placed so that the net electric force on that object is zero? Assume q3 is placed between q1 and q2.?

(b) With q3 at the position found in part (a), find the value of q3 for which the net electric force on the object of charge 3Q is also zero.

Figure P17.34

?3Q x = 0 x = L

3Q x = 0 x = L

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