MCQ

M3291 · [1]
A positive point charge is isolated in space. A test charge is moved along one complete equipotential surface around the point charge. What is the shape of the equipotential surface, and what is the work done on the test charge?
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A projectile is launched vertically from the surface of a planet of radius R with a speed equal to half the escape speed. Air resistance is negligible. What is the maximum dista...
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