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In a capacitor, if the plate area is increased while keeping the distance consta

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Question: In a capacitor, if the plate area is increased while keeping the distance constant, what happens to the capacitance? (2023)

Options:

  1. Increases
  2. Decreases
  3. Remains the same
  4. Becomes zero

Correct Answer: Increases

Exam Year: 2023

Solution: 

Increasing the plate area while keeping the distance constant increases the capacitance, as capacitance is directly proportional to the area of the plates.

In a capacitor, if the plate area is increased while keeping the distance consta

Practice Questions

Q1
In a capacitor, if the plate area is increased while keeping the distance constant, what happens to the capacitance? (2023)
  1. Increases
  2. Decreases
  3. Remains the same
  4. Becomes zero

Questions & Step-by-Step Solutions

In a capacitor, if the plate area is increased while keeping the distance constant, what happens to the capacitance? (2023)
  • Step 1: Understand what a capacitor is. A capacitor is a device that stores electrical energy.
  • Step 2: Know the basic formula for capacitance (C). Capacitance is given by the formula C = ε * (A/d), where C is capacitance, ε is the permittivity of the material between the plates, A is the area of the plates, and d is the distance between the plates.
  • Step 3: Identify the variables in the formula. In this case, we are looking at A (the area of the plates) and d (the distance between the plates).
  • Step 4: Recognize that capacitance (C) is directly proportional to the area (A). This means that if you increase the area, the capacitance will also increase.
  • Step 5: Since we are keeping the distance (d) constant, we only need to focus on the change in area (A).
  • Step 6: Conclude that if the plate area is increased while keeping the distance constant, the capacitance will increase.
  • Capacitance – Capacitance is the ability of a capacitor to store charge, which is directly proportional to the area of the plates and inversely proportional to the distance between them.
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