Question

Obtain the formula for the capacitance of a parallel plate capacitor.

Answer 1

As you already know charge =capacitance * voltage between the parallel plates.

If we depict this in symbols, Q = CV.

So you can quickly get the formula as C= Q/V for the capacitance of a parallel plate capacitor.

This will be easy for you if you have mastered the basic concepts of the electric field.

Answer 2

Answer:

HEY BUDDY HERE IS YOUR ANSWER

C=ε₀×A/d        A=area of parallel plate capacitor    d=distance between the plates

Explanation:

In a parallel plate capacitor there exists a uniform electric field between the plates and it is equal to  σ/2ε₀+σ/2ε₀ = σ/ε₀   (taking from both the plates)

If d is the separation between the plates, then potential difference V is

V=σ×d/ε₀

we know that C=Q/V

⇒  C=σ×A÷σ×d/2ε₀

⇒ C=  ε₀×A/d  

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