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Author Question: A light bulb operating at a dc voltage of 120 V has a resistance of 200 . How much power is ... (Read 68 times)

humphriesbr@me.com

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on: Jul 29, 2018
A light bulb operating at a dc voltage of 120 V has a resistance of 200 . How much power is dissipated in this bulb?
 
  A) 100 W
  B) 60 W
  C) 72 W
  D) 14 mW
  E) 7.2 W

Question 2

A long wire carrying a 2.0-A current is placed along the y-axis. What is the magnitude of the magnetic field at a point that is 0.60 m from the origin along the x-axis? (0 = 4  10-7 T  m/A)
 
  A) 6.7 T B) 0.67 T C) 0.12 T D) 1.3 T E) 12 T


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trog

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

C

Answer to Question 2

B


humphriesbr@me.com

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

irishcancer18

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Reply 3 on: Yesterday
Gracias!

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