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NEET 2020 Revision: Electric Charges & Fields-04 (20.11.2019)
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Question 1
An insulated sphere of radius R has a uniform volume charge density ρ. The electric field at a point P inside the sphere at a distance r from the centre is
Question 2
An electric dipole is put in the north-south direction in a sphere filled with water. Which one of the statements is correct?
Question 3
A glass rod rubbed with silk is used to charge a gold leaf electroscope and the leaves are observed to diverge. The electroscope thus charged is exposed to X‑rays for a short period. Then
Question 4
Two charges equal in magnitude and opposite in polarity are placed at a certain distance apart and force acting between them is F. If 75% charge of one is transferred to another, then the force between the charges becomes
Question 5
What is the Electric Flux passing through the surface of circle of radius 2m due to an electric field of magnitude inclined at an angle of 600 with the area vector?
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Nov 20NEET & AIIMS