SATHEE: electric-charges-and-fields Question 43

Electric Charges And Fields

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electric-charges-and-fields Question 43

Question: Q. 2. A sphere $S_{1}$ of radius $r_{1}$ encloses a net charge Q. If there is another concentric sphere $S_{2}$ of radius $r_{2} (r_{2} > r_{1})$ enclosing charge $2 Q$ , find the ratio of the electric flux through $S_{1}$ and $S_{2}$ . How will the electric flux through sphere $S_{1}$ change, if a medium of dielectric constant $K$ is introduced in the space inside $S_{2}$ in place of air?

U] [Comptt. O.D. I, II, III 2014]

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Solution:

Ans. Ratio of electric flux through spheres $S_{1}$ and $S_{2} 1$ Change of electric flux through sphere $S_{1}$

Flux through $S_{1}, ϕ_{1} = \frac{Q}{ε_{0}}$

Flux through $S_{2}, ϕ_{2} = \frac{Q + 2 Q}{ε_{o}} = \frac{3 Q}{ε_{0}}$ No change in the flux through $S_{1}$ with dielectric medium inside the sphere $S_{2}$ .

[CBSE Marking Scheme, 2014]

Electric Charges And Fields

electric-charges-and-fields Question 43

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Electric Charges And Fields

electric-charges-and-fields Question 43

Table of Contents

Engineering Preparation

Medical Preparation

NCERT Books & Solutions

Important Resources

Other Resources

Syllabus

Test Platform

Sample Mock Test

Mentorship

NCERT Exercise Video Solution

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