The work done in moving a positive charge against an electric field does not depend on the path chosen in moving the charge in that field. Based on the statement, what kind of force field is the electrostatic field?
A) discrete
B) quantized
C) polarized
D) conservative
E) nonconservative
D
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How does the interstellar medium obscure our view of most of the galaxy?
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What power (in diopters) of corrective lens is required to correct the vision of a myopic eye whose far point is at 170 cm?
What will be an ideal response?
The four fundamental forces that operate in the universe today are ________
A) strong force, weak force, electromagnetic force, gravity B) nuclear force, electromagnetic force, gravity, tidal force C) nuclear force, gravity, electric force, magnetic force D) strong force, weak force, electric force, magnetic force
Why is Venus's surface hotter than Mercury's?
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