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Q. |
For the difference amplifier which of the following is true? |
A. | it responds to the difference between the two signals and rejects the signal that are common to both the signal |
B. | it responds to the signal that are common to the two inputs only |
C. | it has a low value of input resistance |
D. | the efficacy of the amplifier is measured by the degree of its differential signal to the preference of the common mode signal |
Answer» A. it responds to the difference between the two signals and rejects the signal that are common to both the signal | |
Explanation: all the statements are not true except for the fact that it responds only when there is difference between two signals only. |
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