What is the capacitance between P and Q?
A) \[\frac{{{\varepsilon }_{0}}A}{d}\]
B) \[\frac{2{{\varepsilon }_{0}}A}{d}\]
C) \[\frac{3{{\varepsilon }_{0}}A}{d}\]
D) \[\frac{4{{\varepsilon }_{0}}A}{d}\]
Correct Answer: B
Solution :
Two capacitors (in parallel order) are formed between the plates. So, \[{{C}_{PQ}}={{C}_{1}}+{{C}_{2}}\] \[=\frac{A{{\varepsilon }_{0}}}{d}+\frac{A{{\varepsilon }_{0}}}{d}=\frac{2A{{\varepsilon }_{0}}}{d}\]
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