Electric Field Lines Video Lessons

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Problem: The figure shows the E-field in the plane of two-point charges.True or False.1) Q1 and Q2 have the same sign.2) A + charge at c would accelerate to the right.3) The magnitude of E is the same at a and b.4) A − charge at a would accelerate to the left.5) Q1 is positive.6) The size of Q1 is larger than that of Q2.

FREE Expert Solution

To determine whether the statements are true, let's review the properties of electric field:

  • Electric field lines point away from a positive charge and towards a negative charge. 
  • The direction of the electric field is given by a force on positive test charge. 
  • The more the number of field lines or greater number density of electric field lines, the greater the magnitude of electric field or charge. 
  • Like charges repel while unlike charges attract.
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Problem Details

The figure shows the E-field in the plane of two-point charges.
True or False.
1) Q1 and Q2 have the same sign.
2) A + charge at c would accelerate to the right.
3) The magnitude of E is the same at a and b.
4) A − charge at a would accelerate to the left.
5) Q1 is positive.
6) The size of Q1 is larger than that of Q2.

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