A parallel plate capacitor has a potential difference of V across its plates. Wh

Practice Questions

Q1
A parallel plate capacitor has a potential difference of V across its plates. What is the electric field between the plates?
  1. V/d
  2. d/V
  3. V²/d
  4. d²/V

Questions & Step-by-Step Solutions

A parallel plate capacitor has a potential difference of V across its plates. What is the electric field between the plates?
Correct Answer: E = V/d
  • Step 1: Understand that a parallel plate capacitor has two plates with a potential difference (voltage) V between them.
  • Step 2: Recognize that the electric field (E) is a measure of the force per unit charge in the space between the plates.
  • Step 3: Know that the formula to calculate the electric field (E) between the plates is E = V/d.
  • Step 4: Identify that 'd' is the distance (separation) between the two plates of the capacitor.
  • Step 5: To find the electric field, you need to divide the potential difference (V) by the distance (d) between the plates.
  • Electric Field in Capacitors – The relationship between electric field, potential difference, and plate separation in a parallel plate capacitor.
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