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Author Question: A charge of +2 C is at the origin. When charge Q is placed at 2 m along the positive x axis, the ... (Read 34 times)

student77

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on: Jul 28, 2018

A charge of +2 C is at the origin. When charge Q is placed at 2 m along the positive x axis, the electric field at 2 m along the negative x axis becomes zero. What is the value of Q?
   


   
  a.
  3 C
   
  b.
  6 C
   
  c.
  7 C
   
  d.
  8 C

Question 2

Two charges, +Q and Q, are located two meters apart and there is a point along the line that is equidistant from the two charges as indicated. Which vector best represents the direction of the electric field at that point?
   


   
  a.
  Vector EA
   
  b.
  Vector EB
   
  c.
  Vector EC
   
  d.
  The electric field at that point is zero.


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sokh

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Reply #1 on: Jul 28, 2018
Answer to Question 1

d

Answer to Question 2

a


student77

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Reply 2 on: Jul 28, 2018
Excellent

olderstudent

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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