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 HF, then final value of capacity is (a) 4 uF (b) 8 µF (c) 16 µF (d) 2 uF
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 HF, then final value of capacity is (a) 4 uF (b) 8 µF (c) 16 µF (d) 2 uF
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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 pF
(b) 8µF
(c) 16 uF
(d) 2 uF
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