Electrostatics — Foundation (Mixed Difficulty)

Practice 100 questions on Electrostatics — Foundation (Mixed Difficulty). Includes: The smallest possible charge on any free particle is…; Two point charges of +2 μC and +8 μC are separated by…; Which of the following is NOT a fundamental property…. Free quiz on NoteTube.

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1.
An infinitely long wire has linear charge density λ = 2 μC/m. The electric field at a perpendicular distance of 2 m from the wire is approximately:
2.
Two identical metallic spheres carry +8 μC and −2 μC respectively. They are brought into contact and separated. The force between them at 10 cm is:
3.
A ring of radius 10 cm carries charge 20 μC uniformly. The electric field on the axis at 10 cm from the center is approximately:
4.
Which of the following is NOT a fundamental property of electric charge?
5.
Two point charges of +2 μC and +8 μC are separated by 20 cm. The force between them is:

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