Questions
There is an air filled 1 pF parallel plate capacitor. When the plate separation is doubled and the space is filled with wax, the capacitance increases to 2 pF. The dielectric constant of wax is
detailed solution
Correct option is B
Here, C=ε0Ad and C′=Kε0A2d∴ C′C=K2 or 21=K2 or K=4Talk to our academic expert!
Similar Questions
A parallel plate, air filled capacitor has capacitance C. When a dielectric material of dielectric constant 4 is filled so that half of the space between plates is occupied by it, then percentage increase in the capacitance is equal to
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