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Author Question: A 100-W light bulb is operated by a 110-V dc source. What is the resistance of this bulb? A) 240 ... (Read 91 times)

littleanan

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on: Jul 29, 2018
A 100-W light bulb is operated by a 110-V dc source. What is the resistance of this bulb?
 
  A) 240  B) 6.0  10-3  C) 120  D) 100  E) 8.0  10-3

Question 2

In a single-slit diffraction experiment, the width of the slit through which light passes is reduced. What happens to the width of the central bright fringe?
 
  A) It becomes narrower.
  B) It stays the same.
  C) Its behavior depends on the wavelength of the light.
  D) It becomes wider.


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Ksh22

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Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

D


littleanan

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Reply 2 on: Jul 29, 2018
Gracias!

Bigfoot1984

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Reply 3 on: Yesterday
Excellent

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