11. ________ can be used as a voltage-controlled voltage source.
(a) Only an inverting op-amp circuit
(b) Only a noninverting op-amp circuit
(c) Neither inverting nor noninverting op-amp circuits
(d) Both inverting and noninverting op-amp circuits
12. In an instrumentation amplifier, the output voltage is based on the ________ times a scale factor.
(a) summation of the two inputs
(b) product of the two inputs
(c) difference between the two inputs
(d) None of the above
13. Calculate the input voltage for this circuit if Vo = –11 V.
(a) 1.1 V
(b) –1.1 V
(c) –1 V
(d) 1 V
14. Determine the output voltage for this circuit with a sinusoidal input of 2.5 mV.
(a) –0.25 V
(b) –0.125 V
(c) 0.25 V
(d) 0.125 V
15. Calculate the input voltage when Vo = 11 V.
(a) 1.1 V
(b) –1.1 V
(c) –1 V
(d) 1 V
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