# Electronic Devices - Op-Amp Applications

### Exercise :: Op-Amp Applications - General Questions

11.

Calculate the output of the first-stage op-amp when V1 = 25 mV. A. –1.05 V B. 0.075 V C. 0.06 V D. 4.2 V

Explanation:

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12.

How many op-amps are required to implement this equation? A. 2 B. 3 C. 4 D. 1

Explanation:

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13.

Calculate the output voltage if V1 = V2 = 700 mV. A. 0 V B. –12 V C. 12 V D. –8 V

Explanation:

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14.

Calculate the cutoff frequencies of a bandpass filter with R1 = R2 = 5 k and C1 = C2 = 0.1 F.

 A. fOL = 318.3 Hz, fOH = 318.3 Hz B. fOL = 636.6 Hz, fOH = 636.6 Hz C. fOL = 318.3 Hz, fOH = 636.6 Hz D. fOL = 636.6 Hz, fOH = 318.3 Hz

Explanation:

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15.

Calculate the output voltage if V1 = 300 mV and V2 = 700 mV. A. 0 V B. –12 V C. 12 V D. –4 V