First slide

Capacitance

Question

A parallel plate air capacitor has a capacitance of $50 μ F$ . The plates are at a distance d apart. If a slab of thickness $t (t \leq d)$ and dielectric constant 4 is introduced between the parallel plates, then the capacitance will be

Easy

A

$50 μ F$
B

$100 μ F$
C

$200 μ F$
D

$500 μ F$

Solution

Capacitance will increase but not 4 times (because dielectric is not filled completely). Hence new capacitance may be 100 $μ$ F.

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