What is the force on a positive charge $$\(+Q\)$$ located on a 10 V equipotential line?
A.
\(10 Q\) in magnitude, pointing parallel to the line
B.
\(10 Q\) in magnitude, pointing perpendicular to the line in the direction of decreasing potential
C.
\(10 Q\) in magnitude, pointing perpendicular to the line in the direction of increasing potential
D.
of unknown magnitude, pointing perpendicular to the line in the direction of decreasing potential
E.
of unknown magnitude, pointing perpendicular to the line in the direction of increasing potential
Exam No：AP Physics C(EM) Practice Test Year：2024 Question No：17
Answer:
D
Knowledge points:
1.2 Electrostatics: Electric Field and Electric Potential
Solution:
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