# Operational Amplifier Fundamentals – 4

4. For an op-amp having differential gain Av and common-mode gain Ac the CMRR is given by :

(a) Av+Ac
(b) Av/Ac
(c) (Av/Ac)+1
(d) Ac/Av

Explanation
Explanation : No answer description available for this question. Let us discuss.
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