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Accelerate NEET 2020: Electrostatics Class 2 (13.08.2019)

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Question 1

When a piece of polythene is rubbed with wool, a charge of 2.72 × 10^–7 C is transferred from wool to polythene. What is the amount of mass, which is transferred to polythene?

Question 2

Three point charges 4q, Q and q are placed on a straight line of length l at points distant 0,

and l respectively. The net force on charge q is zero. The value of Q is

Question 3

A charge q is placed at the centre of the line joining two equal charges Q. The system of the three charges will be in equilibrium if q is equal to

Question 4

An electric charge is surrounded by several other electric charges. The forces exerted by one of the surrounding charges on this charge.

Question 5

Four charges are arranged at the corners of a square ABCD, as shown. The force on + ve charge kept at the centre of the square is

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Aug 13NEET & AIIMS