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Solution: The figure shows two unequal point charges, q and Q, of oppo...

Question

The figure shows two unequal point charges, q and Q, of opposite sign. Charge Q has greater magnitude than charge q. In which of the regions X, Y, Z will there be a point at which the net electric field due to these two charges is zero?

(a) only region X

(b) only regions X and Z

(c) only region Y

(d) only region Z

(e) all three regions