In Figure 17-1(a)(see question 6), the purpose of R 1 is to – McqOptions

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1.	In Figure 17-1(a)(see question 6), the purpose of R 1 is to
A.	provide a reference voltage.
B.	limit current through the diode.
C.	limit voltage to the op-amp.
D.	provide output voltage sampling.
Answer» C. limit voltage to the op-amp.

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