Electrostatics Question 805

Question: A parallel plate air capacitor has a capacitance of $ 100\mu F. $ The plates are at a distance d apart. If a slab of thickness t(t<d) and dielectric constant 5 is introduced between the parallel plates, then the capacitance will be

Options:

A) $ 50\mu F $

B) $ 100\mu F $

C) $ 200\mu F $

D) $ 500\mu F $

Show Answer

Answer:

Correct Answer: C

Solution:

[c] Capacitance will increase but not 5 times (Because dielectric is not filled completely). Hence, new capacitance maybe $ 200\mu F $ ,



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