Question: ( a ) ( i ) State three features of an ideal opamp. [ 3 marks ] ( ii ) What is virtual ground? [

(a)(i) State three features of an ideal opamp. [3 marks](ii) What is virtual ground? [3 marks](b) What is the range of voltage gain adjustment in the circuit of Fig Q5b?[4 marks] Fig Q5b (c) Calculate v0 in the circuit of Fig Q5c.

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