What are lighted push buttons?
What will be an ideal response?
Lighted push buttons are an example of providing a second function in a single space. They are generally used to indicate that a motor is running, stopped, or tripped on overload. Most lighted push buttons are equipped with a small transformer to reduce the control voltage to a much lower value. Lens caps of different colors are available.
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Manual motor starters are not capable of ____ operation because the contacts are mechanically linked to the start and stop buttons, so the operator must control the motor from the starter location.
a. equipment b. magnetic c. remote control d. electrical
The current for a three-way switch feeds into a common terminal identified by a(n)
____________________.
Fill in the blank(s) with the appropriate word(s).Although the median income of American families stagnated from 1970s to 1990, the reason it didn't decline was
A. people logged more hours. B. the rise in wages of working married men and women exceeded the rate of inflation. C. wives' wages maintained the family income. D. people had fewer children. E. All of these choices are correct.
Use superposition to find i(t) in the circuit of Fig. 10.90.
 FIGURE 1.png)