The circuit below represent a non-inverting integrator. Find the expression for the output voltage.
a)
b)
c)
d)
Correct answer is option 'C'. Can you explain this answer?

Question

The circuit below represent a non-inverting integrator. Find the expression for the output voltage.a)b)c)d)Correct answer is option 'C'. Can you explain this answer?

Answer

Let the inverting terminal of Op-Amp is at potential ‘V and hence non-inverting terminal also appears to have the same potential ‘V due to virtual ground concept.
Input current to op-amp is zero. Hence at non-inverting terminal mode, we have

Input current to Op-Amp is zero. Hence at inverting terminal mode we have

Substituting the values and solving all the above equations, we get

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