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Electrostatic Potentials and Capacitance

268006 A parallel plate capacitor filled with amaterail of dielectric constant $K$ is charged to a certain voltage and isisolated. Thedielectric material is removed. Then
a)T he capacitance decreases by a factor $K$
b) The electric field reduces by a factor $K$
c) The voltage across the capacitor increases by a factor K
d) The charge strored in the capacitor increases by a factor $K$

1 a and baretrue

2 a and c are true

3 b and c are true

4 b and d are true

Electrostatic Potentials and Capacitance

268007 Force acting upon a charged particle kept between the plates of a charged condenser is F. If one of the plates of the condenseris removed, force acting on the same particle will become

1 zero

2

F / 2

3

F

4

2 F

Electrostatic Potentials and Capacitance

268008 A condenser is charged and then batteryis removed. A dielectric plate is put between the plates of condenser, then correct statement is

1

Q

constant

V

and

U

decrease

2

Q

constant

V

increases

U

decreases

3

Q

increases

V

decreases

U

increases

4

Q, V

and

U

increase

Electrostatic Potentials and Capacitance

268009 If an uncharged capacitoris charged by connecting it to a battery, then the amount of energy lost as heat is

1

1 / 2 Q V

2 QV

3

1 / 2 QV^{2}

4

Q V^{2}

Electrostatic Potentials and Capacitance

268006 A parallel plate capacitor filled with amaterail of dielectric constant $K$ is charged to a certain voltage and isisolated. Thedielectric material is removed. Then
a)T he capacitance decreases by a factor $K$
b) The electric field reduces by a factor $K$
c) The voltage across the capacitor increases by a factor K
d) The charge strored in the capacitor increases by a factor $K$

1 a and baretrue

2 a and c are true

3 b and c are true

4 b and d are true

Electrostatic Potentials and Capacitance

268007 Force acting upon a charged particle kept between the plates of a charged condenser is F. If one of the plates of the condenseris removed, force acting on the same particle will become

1 zero

2

F / 2

3

F

4

2 F

Electrostatic Potentials and Capacitance

268008 A condenser is charged and then batteryis removed. A dielectric plate is put between the plates of condenser, then correct statement is

1

Q

constant

V

and

U

decrease

2

Q

constant

V

increases

U

decreases

3

Q

increases

V

decreases

U

increases

4

Q, V

and

U

increase

Electrostatic Potentials and Capacitance

268009 If an uncharged capacitoris charged by connecting it to a battery, then the amount of energy lost as heat is

1

1 / 2 Q V

2 QV

3

1 / 2 QV^{2}

4

Q V^{2}

Electrostatic Potentials and Capacitance

268006 A parallel plate capacitor filled with amaterail of dielectric constant $K$ is charged to a certain voltage and isisolated. Thedielectric material is removed. Then
a)T he capacitance decreases by a factor $K$
b) The electric field reduces by a factor $K$
c) The voltage across the capacitor increases by a factor K
d) The charge strored in the capacitor increases by a factor $K$

1 a and baretrue

2 a and c are true

3 b and c are true

4 b and d are true

Electrostatic Potentials and Capacitance

268007 Force acting upon a charged particle kept between the plates of a charged condenser is F. If one of the plates of the condenseris removed, force acting on the same particle will become

1 zero

2

F / 2

3

F

4

2 F

Electrostatic Potentials and Capacitance

268008 A condenser is charged and then batteryis removed. A dielectric plate is put between the plates of condenser, then correct statement is

1

Q

constant

V

and

U

decrease

2

Q

constant

V

increases

U

decreases

3

Q

increases

V

decreases

U

increases

4

Q, V

and

U

increase

Electrostatic Potentials and Capacitance

268009 If an uncharged capacitoris charged by connecting it to a battery, then the amount of energy lost as heat is

1

1 / 2 Q V

2 QV

3

1 / 2 QV^{2}

4

Q V^{2}

Electrostatic Potentials and Capacitance

268006 A parallel plate capacitor filled with amaterail of dielectric constant $K$ is charged to a certain voltage and isisolated. Thedielectric material is removed. Then
a)T he capacitance decreases by a factor $K$
b) The electric field reduces by a factor $K$
c) The voltage across the capacitor increases by a factor K
d) The charge strored in the capacitor increases by a factor $K$

1 a and baretrue

2 a and c are true

3 b and c are true

4 b and d are true

Electrostatic Potentials and Capacitance

268007 Force acting upon a charged particle kept between the plates of a charged condenser is F. If one of the plates of the condenseris removed, force acting on the same particle will become

1 zero

2

F / 2

3

F

4

2 F

Electrostatic Potentials and Capacitance

268008 A condenser is charged and then batteryis removed. A dielectric plate is put between the plates of condenser, then correct statement is

1

Q

constant

V

and

U

decrease

2

Q

constant

V

increases

U

decreases

3

Q

increases

V

decreases

U

increases

4

Q, V

and

U

increase

Electrostatic Potentials and Capacitance

268009 If an uncharged capacitoris charged by connecting it to a battery, then the amount of energy lost as heat is

1

1 / 2 Q V

2 QV

3

1 / 2 QV^{2}

4

Q V^{2}

Question Bank Series

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Question Bank Series

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