Physics 07 - General Physics II » Spring 2021 » Lab 3

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Question #1
What happens to the force of attraction between a positively charged particle and a negatively charged particle if the distance between the particles is decreased?
A.   The force of attraction decreases.
B.   The force of attraction increases.
C.   There is no change in the force of attraction.
Question #2
As two oppositely charged particles approach each other, what happens to the electrical force between them?
A.   The repulsive force increases
B.   The attractive force increases
C.   The magnitude of their charges increases
D.   The magnitude of the electric force decreases
Question #3
When distance increases, electrostatic force ____________; we call this relationship ____________ proportional
A.   increases;   inversely
B.   increases;   directly
C.   decreases;   inversely
D.   decreases;   directly
Question #4
What happens to the force of attraction between a positively charged particle and a negatively charged particle if the magnitude (size) of the charges is increased for both particles and the distance between them is held constant?
A.   There is no change in the force of attraction.
B.   The force of attraction increases.
C.   The force of attraction decreases.
Question #5
The Electric Force is strongest when charges are…
A.   far apart
B.   close together
C.   the electric force is constant everywhere
Question #6
Which is the numerical value of the constant in Coulomb's equation?
A.   k = 9  x 109
B.   k = 9 x 10-9
C.   k = 6.67 x 10-11
D.   k = 9.8

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