Question

Asked Oct 6, 2019

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Some of the exercises show op-amps with a positive supply voltage but no information about negative supply voltages. Whenever this is encountered, assume the negative supply voltage has the same magnitude as that of the positive supply

Step 1

The given circuit is shown below, after marking nodes

Step 2

Although Op-amp, shown above is ideal ,hence the current in inverting and non-inverting terminal is zero.

Step 3

the virtual ground concept for ideal op-amp, says that the voltages of th...

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