The force between 2 identical charges is 40 N. If the distance between the charges increases in double. What will be the value of force? A.10 N B.160 N C.20 N D.80 N
The force between 2 identical charges is 40 N. If the distance between the charges increases in double. What will be the value of force? A.10 N B.160 N C.20 N D.80 N
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter18: Electric Charge And Electric Field
Section: Chapter Questions
Problem 54PE: Earth has a net charge that produces an electric field of approximately 150 N/C downward at its...
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1.The force between 2 identical charges is 40 N. If the distance between the charges increases in double. What will be the value of force?
A.10 N
B.160 N
C.20 N
D.80 N
2.Two similar charges are placed in free space and water, with dielectric constant, ε of 1 and 78, respectively. What is the relationship of the electric fields in these 2 medias observables at a point of the distance of 2 cm away?
A.Efreespace > Ewater
B.Efreespace = Ewater
C.78 x Efreespace = Ewater
D.Efreespace < Ewater
3.Two-point charges, Q1 and Q2 are located at (0, 0, 0) and (1, 1, 1). If both charges are identical, Q = 15 µC, determine the magnitude of the electric field at (1,1,1).
A.25.945 kV/m
B.38.695 kV/m
C.20.489 kV/m
D44.938 kV/m
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