Electrostatics Question 501

Question: The dielectric strength of air at NTP is 3×106V/m then the maximum charge that can be given to a spherical conductor of radius 3 m is [Pb. PMT 2001]

Options:

A) 3×104C

B) 3×103C

C) 3×102C

D) 3×101C

Show Answer

Answer:

Correct Answer: B

Solution:

By using E=9×109×QR2

therefore 3×106=9×109×Q(3)2

therefore Q=3×103C



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