____ switches are automatic devices that consist of an actuator, a body, and one or more contact blocks.
A. Proximity
B. Limit
C. Hand-off-automatic
D. Photoelectric
Answer: B
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The equivalent model of a certain op amp is shown in Fig. 5.43. Determine:
(a) the input resistance.
(b) the output resistance.
(c) the voltage gain in dB.
 FIGURE 1.png)
Use the following diagram to answer the following questions.
What is the correct reading on the ruler as represented by the letter A reduced to lowest terms?
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