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Author Question: Electric field lines A) are closer together the stronger the field. B) start on negative charges ... (Read 526 times)

mpobi80

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on: Jul 27, 2018
Electric field lines
 
  A) are closer together the stronger the field.
  B) start on negative charges and end on positive charges.
  C) were invented by Isaac Newton.
  D) are perpendicular to the lines of force.
  E) were discovered by Franklin.

Question 2

A narrow tube is placed vertically in a pan of water, and the water rises in the tube to 4 cm above the level of the pan. The surface tension in the liquid is lowered to one-half its original value by the addition of some soap.
 
  What happens to the height of the liquid column in the tube? A) It drops to 2 cm.
  B) It drops to 1 cm.
  C) It remains at the same height.
  D) It drops or rises, but the height cannot be calculated from the information given.


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aadams68

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

A

Answer to Question 2

A


mpobi80

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Reply 2 on: Jul 27, 2018
Excellent

LVPMS

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Reply 3 on: Yesterday
Gracias!

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