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Author Question: A 100-W driveway light bulb is on 10 hours per day. Assuming the power company charges 10 cents for ... (Read 47 times)

james9437

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on: Jul 27, 2018
A 100-W driveway light bulb is on 10 hours per day. Assuming the power company charges 10 cents for each kilowatt-hour of electricity used, estimate the annual cost to operate the bulb.
 
  A) 3.65
  B) 7.30
  C) 21.40
  D) 36.50
  E) 73.00

Question 2

A wire, 0.60 m in length, is carrying a current of 2.0 A and is placed at a certain angle with respect to the magnetic field of strength 0.30 T.
 
  If the wire experiences a force of 0.18 N, what angle does the wire make with respect to the magnetic field?
  A) 20
  B) 25
  C) 30
  D) 35
  E) 60


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succesfull

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

D

Answer to Question 2

C


james9437

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Reply #2 on: Jul 27, 2018
Thanks


succesfull

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Reply #3 on: Jul 27, 2018
Welcome :)


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