: In a parallel plate capacitor with air, the distance between the plates is reduced to half and the space is filled with dielectric of constant 4. If initial capacity of capacitor is 2 uF, then final value of capacity is
: In a parallel plate capacitor with air, the distance between the plates is reduced to half and the space is filled with dielectric of constant 4. If initial capacity of capacitor is 2 uF, then final value of capacity is
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Transcribed Image Text:Q. 20 : In a parallel plate capacitor with air, the
distance between the plates is reduced to half
and the space is filled with dielectric of
constant 4. If initial capacity of capacitor is 2
uF, then final value of capacity is
(a)
4 µF
(b) 8 µF
(c)
16 uF
(d) 2 uF
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