Which of the following is TRUE about electric field?Group of answer choicesElectric field lines point towards a negative source charge.Electric field lines point away from a positive source charge.All of the statements are true.Electric field lines repel against positive charge
Question
Which of the following is TRUE about electric field?Group of answer choicesElectric field lines point towards a negative source charge.Electric field lines point away from a positive source charge.All of the statements are true.Electric field lines repel against positive charge
Solution
The correct answer is "All of the statements are true."
Here's why:
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"Electric field lines point towards a negative source charge." - This is true. Electric field lines originate on positive charges and terminate on negative charges. So, they point towards a negative source charge.
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"Electric field lines point away from a positive source charge." - This is also true. As mentioned above, electric field lines originate on positive charges, which means they point away from a positive source charge.
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"Electric field lines repel against positive charge" - This is a bit tricky, but it's also true. Electric field lines show the direction that a positive test charge would move if placed in the field. So, if the lines are moving away from a positive charge, it indicates that a positive test charge would be repelled.
Therefore, all of the statements are true.
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