Electrostatics-Capacitors (NEET Physics): Questions 25 - 28 of 28

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Question number: 25

» Electrostatics » Capacitors

MCQ▾

Question

The false statement are, on increasing the distance between the plates of a parallel plate condenser,

(1) The electric field intensity between the plates will decrease

(2) The electric field intensity between the plates will increase

(3) The P. D. between the plates will decrease

(4) The electric field intensity between the plates will remain unchanged

Select the correct answers and mark it according to the following codes:

Choices

Choice (4) Response

a.

1, 2 and 3 are correct

b.

2 and 4 are correct

c.

1 and 2 are correct

d.

1 and 3 are correct

Question number: 26

» Electrostatics » Capacitors

MCQ▾

Question

A parallel plate capacitor with plate area A and separation between the plates d, is charged by a constant current i. Consider a plane surface of area A4 parallel to the plates and drawn symetrically between the plates, What is the displacement current through this area?

Choices

Choice (4) Response

a.

i4

b.

i2

c.

2i

d.

i

Question number: 27

» Electrostatics » Capacitors

MCQ▾

Question

The charging current for a capacitor is 1 A, then the displacement current is

Choices

Choice (4) Response

a.

0

b.

2 A

c.

1 A

d.

0.5 A

Question number: 28

» Electrostatics » Capacitors

MCQ▾

Question

A parallel – plate capacitor of area A, plate separation d and capacitance C is filled with four dielectric materials having dielectric constant k1,k2,k3 and k4 as shown in the figure below. If a signal dielectric material is to be used to have the same capacitance C in this capacitor, then its dielectric constant k is given by,

A parallel plate capacitor of four dielectric materials

A Parallel Plate Capacitor of Four Dielectric Materials

In figure a parallel plate capacitor of four dielectric material is given.

Choices

Choice (4) Response

a.

1k=1k1+1k2+1k3+32k4

b.

k=23(k1+k2+k3)+2k4

c.

2k=3k1+k2+k3+1k4

d.

k=k1+k2+k3+3k4

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