Chapter 20: Review

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1
Does a capacitor pass AC current?
Yes
2
Does a capacitor block DC current?
Yes
3
What does a capacitor do to AC voltage and current?
Causes the current to laf or lead the voltage curve
4
Why are capacitors used on motors?
The lag to the current gives the motor more stating time
5
What is UF?
Microfarad
6
A capacitor with a metal housing raten at 25 uf is what kind of capacitor?
Run capacitor
7
A cacpacitor rated at 2500 volts and .9 uf is used for what?
Microwave ovens
8
Before touching a higher voltage capacitor, you must be sure to do what?
Discharge the capacitor
9
How much current can a motor start capacitor handle?
Very little for more than a few seconds
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