Two identical conducting plates of plate area A are separated by a distance d to form a parallel plate air - Physics - Electrostatic Potential And Capacitance

Question

Two identical conducting plates of plate area A are separated by a
distance d to form a parallel plate air capacitor Now a metal sheet
of thickness d/2 is inserted between the plates of the capacitor
The ratio of capacitance before the insertion of plate and after
the insertion of plate is

Mahak Jain · Accepted Answer

Dear Student,
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Two identical conducting plates of plate area A are separated by a distance d to form a parallel plate air capacitor. Now a metal sheet of thickness d/2 is inserted between the plates of the capacitor. The ratio of capacitance before the insertion of plate and after the insertion of plate is