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Find the output voltage and the load current for the circuit given below. Assume that the op-amp is initially nulled V1 =2.5v

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in Linear Integrated Circuits by (37.1k points)
Find the output voltage and the load current for the circuit given below. Assume that the op-amp is initially nulled V1 =2.5v

(a) IL=0.42mA, Vo =10v

(b) IL=0.42mA, Vo =3.4v

(c) IL=0.42mA, Vo =6.1v

(d) IL=0.42mA, Vo =5v

I got this question by my school principal while I was bunking the class.

My query is from Voltage to Current Converter with Floating and Grounded Load in chapter Operational Amplifier Applications of Linear Integrated Circuits

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by (39.8k points)
The correct answer is (d) IL=0.42mA, Vo =5v

Expand on the concept with: The load current IL =vin /R =5/12kΩ =0.42mA

vo =IL×R, can be obtained when Vo=2×V1 = 2×2.5 =5v.

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