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Find the magnitude of the electric field for a charge of 5.6 nC at a distance of 3.0 m.
5.6 N/C
A 4.5 mC charge experiences an electrical force of 9.0 mN in the presence of an electric field. What is the magnitude of the electric field?
2.0 N/C
If Eo is the Electric Field generated at a distance r from a charge Q, what is the Electric Field at a distance 2r?
(1/4)Eo
An electric charge Q is placed at the origin. If the magnitude of the electric field at point A is E, what is the electric field at point D where distance is quadrupled?
E/16
A free electron and a free proton in the same electric field experience forces of equal magnitude but opposite directions.
True
The electron’s acceleration is greater in magnitude than the proton’s acceleration.
True
Replacing a +3 µC test charge with a –3 µC test charge changes the electric field at point P.
False
Gravitational attraction between the electron and the nucleus is the main force that keeps the atom together.
False