In the experiment (Differential amplifier) answer the following: Theoretical Calculations: 1. When is a satisfactory common-mode rejection obtained? 2. To what type of circuit does a differential amplifier correspond? 3. What output voltage results with equal drive at the inputs? 4. Plot a graph on the grid paper to show the dependence of the output voltage Uout on the input voltages Uin1, and Uin2? 5. Name five other application for op- amp, sketch their circuit and their equations?