Home Physics Electrostatics Potential & Capacitance Matching Type Question A dielectric slab of thickness 1.0 cm and di…
Physics Electrostatics Potential & Capacitance Matching Type Question MCQ (Single Correct)

A dielectric slab of thickness 1.0 cm and dielectric constant 5 is placed between the plates of a parallel plate capacitor of plates area and separation 2.0 cm.

Column I

Column II

A.

Capacity with air in between the plates

I.

2.95  F

B.

Capacity with dielectric slab

in between the plates

II.

8.85 F

C.

Capacity with conducting slab

in between the plates

III.

7.375 F

D.

Increase in capacity on introduction of dielectric

IV.

4.425 F

Choose the correct answer from the options given below

A
A-(I), B-(IV), C-(II), D-(III)
B
A-(IV), B-(III), C-(II), D-(I)
C
A-(III), B-(IV), C-(I), D-(II)
D
A-(II), B-(I), C-(IV), D-(III)

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Text Solution

Verified by Experts
The correct answer is:
B

Given,

Capacity with air in between the plates

Capacity with dielectric slab in between the plates

Capacity with conducting slab in between the plates

Increase in capacitance on introduction of dielectric

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