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Capacitance (A-level only)

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Question 11

A capacitor consists of two parallel circular plates of radius $r\,$ separated by a distance $d$ . The capacitance of this arrangement is $C$ .

What is the capacitance of a capacitor with circular plates of radius $4r\,$ separated by a distance $4 d$ ?

$C$

$2 C$

$4 C$

$16 C$

Capacitance (A-level only) Questions

A Level
Physics
Capacitance (A-level only)