Assertion. Capacity of a parallel plate condenser remains unaffected on introduced a conducting or insulating slab between the plates. Reason. In both

Question

Assertion. Capacity of a parallel plate condenser remains unaffected on introduced a conducting or insulating slab between the plates. Reason. In both

Assertion. Capacity of a parallel plate condenser remains unaffected on introduced a conducting or insulating slab between the plates.
Reason. In both the cases, electric field intensity between the plates increases.
A. If both assertion and reason are ture and reason is the correct explanation of assertion.
B. If both assertin and reason are ture but reason is not the correct explanation of assertion .
C. If assertion is true but reason is false.
D. If both assertion and reason are false.

Monjur Alahi

6 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Correct Answer - D
If the medium between the plates of a capacitor is filled with an insulating substance , the electric field due to the charged plantes induces a net dipole moment in the dielectric . This give rise to field inside the capacitor decreases and hence the potential differecne between the plates is reduced. Consequently, the capacitance C increase form its value, when there is no medium.