NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 2 - Gauss' Theorem>QUESTIONS>Q 4

EASY

12th ICSE

IMPORTANT

Earn 100

The unit of electrostatic field E is volt/metre. Obtain the unit of electric flux.

Important Questions on Gauss' Theorem

EASY

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 2 - Gauss' Theorem>QUESTIONS>Q 5

A sphere

S_{1}

, encloses a charge

q

. There is a larger concentric sphere

S_{2}

with no additional charge between

S_{1}

and

S_{2}

. Find the ratio of electric flux through

S_{1}

and

S_{2}

.

EASY

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 2 - Gauss' Theorem>QUESTIONS>Q 6

A large hollow metallic sphere has a positive charge of

35.4 μC

, at its centre. Find how much electric flux emanates from the sphere.

EASY

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 2 - Gauss' Theorem>QUESTIONS>Q 7

If Coulomb’s law involved

1 / r^{3}

, dependence (instead of

1 / r^{2}

), would Gauss’ law still valid?

EASY

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 2 - Gauss' Theorem>QUESTIONS>Q 1

State Gauss’ law in electrostatics.

EASY

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 2 - Gauss' Theorem>QUESTIONS>Q 2

What is a Gaussian surface?

EASY

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 2 - Gauss' Theorem>QUESTIONS>Q 3

A point-charge is placed at the centre of a closed Gaussian spherical surface. How is electric flux $Φ_{E}$ , through the surface affected when

$(i)$ The sphere is replaced by a cylinder of the different volume?

EASY

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 2 - Gauss' Theorem>QUESTIONS>Q 3

A point-charge is placed at the centre of a closed Gaussian spherical surface. How is electric flux $Φ_{E}$ , through the surface affected when

(ii) The charge is shifted from the centre to some other place inside the sphere?

EASY

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 2 - Gauss' Theorem>QUESTIONS>Q 3

A point-charge is placed at the centre of a closed Gaussian spherical surface. How is electric flux $Φ_{E}$ , through the surface affected when

(iii) A second charge is placed inside the sphere?