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Author Question: The function of the electric motor is which one of the following conversion processes? a. ... (Read 80 times)

james

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on: Jul 28, 2018
The function of the electric motor is which one of the following conversion processes?
 a. mechanical energy to electrical
  c. low voltage to high or vice versa
  b. alternating current to direct
  d. electrical energy to mechanical

Question 2

Consider two identical and symmetrical wave pulses on a string. Suppose the first pulse reaches the fixed end of the string and is reflected back and then meets the second pulse. When the two pulses overlap exactly, the superposition principle predicts that the amplitude of the resultant pulses, at that moment, will be what factor times the amplitude of one of the original pulses?
 a. 0
  c. 2
  b. 1
  d. 4


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kaykay69

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

D

Answer to Question 2

A


james

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Reply #2 on: Jul 28, 2018
TY


kaykay69

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Reply #3 on: Jul 28, 2018
You're welcome


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