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Standard XII
Physics
New Capacitance in Dielectric
Question

A sheet of aluminium foil of negligible thickness is introduced between the plates of a capacitor. The capacitance of the capacitor
  1. decreases
  2. remains unchanged
  3. becomes infinite
  4. increases.

A
remains unchanged
B
increases.
C
becomes infinite
D
decreases
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Solution
Verified by Toppr

The capacitance without aluminium foil is C=Aϵ0d

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