Multiple Choice
Two point charges,Q1 and Q2,are separated by a distance R.If the magnitudes of both charges are halved and their separation is also halved,what happens to the electrical force that each charge exerts on the other one?
A) It increases by a factor of 16.
B) It increases by a factor of 8.
C) It increases by a factor of 2.
D) It increases by a factor of 4.
E) It remains the same.
Correct Answer:

Verified
Correct Answer:
Verified
Q18: Four point charges of varying magnitude and
Q19: A negatively-charged rod is brought close to
Q20: As shown in the figure,three charges are
Q21: Three identical 3.0-µC charges are placed at
Q22: If two objects are electrically attracted to
Q24: Two equally charged tiny spheres of mass
Q25: The three point charges +4.0 μC,-5.0 μC,and
Q26: A particle with a charge of +4.0
Q27: Three equal negative point charges -q are
Q28: As shown in the figure,three charges are