When air in a capacitor is replaced by a medium of dielectric constant $K$, the capacitance

When air in a capacitor is replaced by a medium of dielectric constant $K$, the capacitance
  1. decreases $K$ times
  2. increases $K$ times
  3. increases $K^{2}$ times
  4. remains constant

Solution

$C_{\text {medium }}=K \times C_{\text {air }}$ *

Asked in: JEE Mains - Capacitance - Test 1

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