Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa

A spherical shell of radius R = 1.5 cm has q = 20 \mu C uniformly distributed over it. The force exerted by one half over  the other half is

  • Option 1)

    0

  • Option 2)

    10-2 N

  • Option 3)

    500 N

  • Option 4)

    2000 N

 

Answers (1)

best_answer

As we learned @3399

\\*E=\frac{\sigma }{2\epsilon 0}\Rightarrow F=E.dr=\frac{\sigma dA\sigma }{2\epsilon 0}\\*P=\frac{F}{dA}=\frac{\sigma ^{2}}{2\epsilon 0}\\*F=P\pi R^{2}=\frac{\sigma ^{2}}{2\epsilon 0}.\pi R^{2}=\frac{Q^{2}}{32\pi \epsilon 0R^{2}}=2000N


Option 1)

0

Option 2)

10-2 N

Option 3)

500 N

Option 4)

2000 N

Posted by

Avinash

View full answer

JEE Main high-scoring chapters and topics

Study 40% syllabus and score up to 100% marks in JEE

Similar Questions

Trending Articles/News

anam-khan

Amrita BTech Admission 2025: JEE Main-based registration deadline extended to August 30

Latest Question