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Author Question: A resistor is connected to normal 60. Hz, 120. volt AC. How many times a second does the ... (Read 17 times)

jparksx

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on: Jul 27, 2018
A resistor is connected to normal 60. Hz, 120. volt AC. How many times a second does the instantaneous dissipated POWER reach a maximum?
 
  A) 240
  B) 0
  C) 60
  D) 30
  E) 120

Question 2

An electron is moving with speed 21. m/s.
 
  (a) What is its deBroglie wavelength?
  (b) What Diffraction Grating spacing between slits would give a 1st order maximum at 30.0?


pocatato

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Reply #1 on: Jul 27, 2018
Answer to Question 1

E

Answer to Question 2

(a) 35. m
(b) 69. m


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