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Author Question: An oscillator that uses a transformer to achieve the 180 voltage phase shift required for ... (Read 23 times)

cool

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on: Jul 28, 2018
An oscillator that uses a transformer to achieve the 180 voltage phase shift required for oscillation is known as a
 
  A) Hartley oscillator B) Wien-bridge oscillator
  C) Colpitts oscillator D) Armstrong oscillator

Question 2

When current is applied to the coil of an NC relay,
 
  A) it opens. B) it closes.
  C) its contacts touch. D) it opens and its contacts touch.


Kdiggy

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Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

A


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