MCQOPTIONS
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				| 1. | 
                                    Which op-amp circuit uses a diode as one of the circuit components? | 
                            
| A. | Integrating amplifier | 
| B. | Differentiating amplifier | 
| C. | Logarithmic amplifier | 
| D. | Summing amplifier | 
| Answer» D. Summing amplifier | |