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The op amp in the circuit in Fig. P5.6 is ideal. Calculate

Chapter 5, Problem 5.6

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QUESTION:

The op amp in the circuit in Fig. P5.6 is ideal. Calculate the following: a) i b) v c) v d) i Figure P5.6

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QUESTION:

The op amp in the circuit in Fig. P5.6 is ideal. Calculate the following: a) i b) v c) v d) i Figure P5.6

ANSWER:

Step 1 of 5

The circuit with the node voltages can be drawn as

                                           

Since the op-amp is ideal, the input resistance seen from the input terminal is infinite. Therefore, the current entering into the amplifier is zero.

From the concept of the virtual ground, the inverting voltage is equal to non-inverting terminal of the op-amp.

                                                                                      

Here the  is connected to the ground.

                                                                                       

 

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