Question:

A parallel plate capacitor C has a charge Q. The actual charges on its plates are

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In a capacitor, the charges on the two plates are always equal in magnitude and opposite in sign.
Updated On: Apr 1, 2025
  • Q, Q
  • Q/2, Q/2
  • Q, -Q
  • Q/2, -Q/2
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The Correct Option is C

Solution and Explanation

In a parallel plate capacitor, the charges on the two plates are equal in magnitude but opposite in sign due to the nature of electric charge conservation. One plate gets a positive charge and the other a negative charge. If the total charge on the capacitor is \( Q \), then the charges on the plates must be \( +Q \) and \( -Q \) respectively.

Hence, the correct answer is (c).
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