A parallel plate capacitor has a capacity C. The separation between plates is doubled and a dielectric medium is inserted between plates. The new capa

Question

A parallel plate capacitor has a capacity C. The separation between plates is doubled and a dielectric medium is inserted between plates. The new capa

A parallel plate capacitor has a capacity C. The separation between plates is doubled and a dielectric medium is inserted between plates. The new capacity is 3C. The dielectric constant of medium is
A. 1.5
B. 3
C. 6
D. `12.0`

Monjur Alahi

5 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 - C
If separation between the plates is doubled then capacity of condenser becomes `C//2`.
`"Now"," "C_(m)=3C`
`"Thus"," "C_(m)=C_("air")xxk" "therefore3C=C/2xxk`
`" "thereforek=6`

5 views Answered 2023-02-05 15:29