BD Merit - Freelancing, BCS, Bank, Primary, Admission, NTRCA

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1.

A. $η = 1 - \frac{Q_{2}}{Q_{1}}$
B. $η = 1 - \frac{Q_{2}}{Q_{1}}$
C. $η = 1 - \frac{Q_{2}}{Q_{1}}$
D. $η = 1 - \frac{Q_{2}}{Q_{1}}$

Answer: Option A

Explanation:

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