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A difference amplifier using op-amp has closed loop gain = 50. If input is 2 V to each of inverting and non-inverting terminals, output is 5 mA. Then CMRR = | |
A. | 20000 [Correct Answer] |
B. | 2000 [Wrong Answer] |
C. | 200 [Wrong Answer] |
D. | 20 [Wrong Answer] |