Electric Motor Control
10th Edition
ISBN: 9781133702818
Author: Herman
Publisher: CENGAGE L
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Textbook Question
Chapter 19, Problem 6SQ
Refer to the chart in Figure 19–5. At what position must the HOA switch be set in order for contacts 7 and 8 to be closed?
Fig. 19–5 Selector switch with multiple double-break contacts.
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Question 18
You are taking a reading from an open switch and are getting an unpredictable reading.
This can be fixed by:
[Choose all that are correct]
Installing a pull-up resistor connected to ground
Installing a pull-up resistor connected to power
Setting the Arduino pinMode() to OUTPUT_PULLDOWN
Setting the Arduino pinMode() to INPUT
Setting the Arduino pinMode() to INPUT_PULLUP
Setting the Arduino pinMode() to OUTPUT
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