A parallel plate capacitor is connected across a 2V battery and charged. The battery is then disconnected and a glass slab is introduced between plates. Which of the following pairs of quantities decreases?
  • a)
    Charge and potential difference
  • b)
    Potential difference and energy stored
  • c)
    Energy stored and capacitance
  • d)
    Capacitance and charge
Correct answer is option 'B'. Can you explain this answer?

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Answers

Sushil Kumar
Feb 10, 2022
When battery is disconnected, charge remains constant. On introducing glass slab, capacity increases, Potential difference and energy stored decreases.

When battery is disconnected, charge remains constant. On introducing glass slab, capacity increases, Potential difference and energy stored decreases.
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When battery is disconnected, charge remains constant. On introducing glass slab, capacity increases, Potential difference and energy stored decreases.