Question

The introduction of a metal plate between the plates of a parallel plate capacitor increases its capacitance by 4.5 times. If d is the separation of the two plates of the capacitor, the thickness of the metal plate introduced is
a) d/3
b) 5d/9
c) 7d/9
d) d​

Answer 1

Answer:

option C is the correct answer

C) 7d/9

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Answer 2

Answer:

See attachment below

Explanation:

Ans c 7d/9