Chapter (9)

Chapter (9)

11th Grade

25 Qs

quiz-placeholder

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Chapter (9)

Chapter (9)

Assessment

Quiz

Physics

11th Grade

Medium

Created by

MM classroom

Used 7+ times

FREE Resource

25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A capacitor consists of two _____ separated by a small distance.

conductors

insulators

none of these

Answer explanation

Media Image

A capacitor consists of two conductors.See Fig.

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

A capacitor stores electrical energy in the form of _____ field.

magnetic

electric

gravitational

Answer explanation

A capacitor consists of two conductors.There is a uniform electric field between them.So a capacitor stores electrical energy in the form of electric field.

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

The ratio of charge to the potential difference of a capacitor is _______.

resistance

inductance

capacitance

Answer explanation

C=QVC=\frac{Q}{V}

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

A dielectric material is a/an _____.

insulator

conductor

semiconductor

Answer explanation

A parallel-plate capacitor has an insulating material, or dielectric material.

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

The relative permittivity of vacuum is _____.

zero

infinite

one

Answer explanation


κ=1(for vaccum)\kappa=1\left(for\ vaccum\right)

κ>1 (for other media)\kappa>1\ \left(for\ other\ media\right)

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

The electric field between two conductors of a capacitor is ____ electric field.

uniform

non-uniform

none of these

Answer explanation

The electric field lines between two conductors are same direction and same length.So this field is uniform electric field.

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

The charge of a capacitor is found to be directly proportional to its _____.

capacitance

distance

potential difference

Answer explanation

C=QVC=\frac{Q}{V}
Q=CV
QVQ\propto V

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