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Physics 10 Chapter 13 - Electrostatics - 9
1.
According to which of the following law; “The force of attraction or repulsion between two point charges is inversely proportional to the square of the distance between them”?
a) Ohm’s law
b) Coulomb’s law
c) Joule’s law
d) Pascal’s law
2.
Which law states that; “The force of attraction or repulsion between two point charges is directly proportional to the product of the magnitude of charges and inversely proportional to the square of the distance between them”?
a) Joule’s law
b) Coulomb’s law
c) Pascal’s law
d) Ohm’s law
3.
According to Coulomb’s law, the force of attraction between two point charges is directly proportional to the.....................?
a) Square of the distance between them
b) Distance between them
c) Product of the magnitude of charges
d) Sum of the magnitude of charges
4.
According to Coulomb’s law, the force of attraction between two point charges is inversely proportional to the.....................?
a) Distance between them
b) Product of the magnitude of charges
c) Sum of the magnitude of charges
d) Square of the distance between them
5.
According to Coulomb’s law, the force of repulsion between two point charges is directly proportional to the.....................?
a) Sum of the magnitude of charges
b) Square of the distance between them
c) Product of the magnitude of charges
d) Distance between them
6.
According to Coulomb’s law, the force of repulsion between two point charges is inversely proportional to the.....................?
a) Product of the magnitude of charges
b) Distance between them
c) Sum of the magnitude of charges
d) Square of the distance between them
7.
According to Coulomb’s law, which of the following relation is true?
a) F ∞ 1 / r
3
b) F ∞ q
1
/ q
2
c) F ∞ 1 / r
-3
d) F ∞ q
1
x q
2
8.
According to Coulomb’s law, which of the following relation is true?
a) F ∞ q
1
+ q
2
b) F ∞ q
1
/ q
2
c) F ∞ r
2
d) F ∞ 1 / r
2
9.
What is the date of death of Charles Coulomb?
a) 1763
b) 1736
c) 1806
d) 1860
10.
Which of the following formula is true according to Coulomb’s law?
a) F = k (q
1
x q
2
) x r
2
b) F = k (q
1
/ q
2
) x r
2
c) F = k (q
1
x q
2
) / r
2
d) F = k (q
1
/ q
2
) / r
2
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