A parallel plate condenser with air as dielectric has capacity `C_(0)=(in_(0)A)/d`. A thin mica sheet of dielectric constant K and thickness t is intr

Question

A parallel plate condenser with air as dielectric has capacity `C_(0)=(in_(0)A)/d`. A thin mica sheet of dielectric constant K and thickness t is intr

A parallel plate condenser with air as dielectric has capacity `C_(0)=(in_(0)A)/d`. A thin mica sheet of dielectric constant K and thickness t is introduced near the first plate and then moved with constant velocity v towards the other plate. The capacity of the condenser will be
A. `(in_(0)A)/(d-t+t/k)`
B. `(in_(0)Av)/(d-t+t/k)`
C. `(in_(0)Av)/(d-t)`
D. `(in_(0)A)/(d-t)`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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

Salim Ahmed Kawsar

Correct Answer - A
The capacity of parallel plate condenser does not depend upon the velocity of the plate. Thus, if mica sheet of thickness t and dielectric K is introduced between the plates of parallel plate condenser, then its capacity is given by,
`(in_(0)A)/(d-t+t/k)`

4 views Answered 2023-02-05 15:29