Los motores que han sufrido daños serios en el núcleo:
a. reciben un cambio de bobinado.
b. se desechan.
c. se someten a un reapilamiento de las laminaciones.
d. reciben un cambio de núcleo y bobinado.
b. se desechan.
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Answer the following statement(s) true (T) or false (F)
1. Solid-state devices, such as diodes and transistors, are often referred to as semiconductors. 2. Conductors are generally made from materials that have small, light atoms. 3. Insulators are generally made from heavy-weight materials that have large atoms. 4. Semiconductors are materials that are neither good conductors nor good insulators. 5. If a semiconductor material is to become useful for the production of solid-state components, it must be mixed with an impurity.
Using Thevenin's theorem, find v? in the circuit in Fig. 10.105.
 FIGURE 1.png)
In the simplest sense, a zener diode is really a:
A) current regulator. B) reference voltage. C) voltage regulator. D) reference current.
The difference between brazing and soldering is that:
A) Brazing occurs at higher temperatures than soldering. B) Brazing melts the base metal and soldering does not. C) Brazing never requires flux. D) Soldering occurs at higher temperatures than brazing.