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Physics 10 Chapter 14 - Current and Electricity - 2
1.
What is the motion of positive and negative charges in solution?
a) Linear motion
b) Random motion
c) Brownian motion
d) Do not move
2.
In solutions, which of the following nucleons can freely move around randomly?
a) (d) Neutral charges
b) (c) Negative charges
c) (b) Positive charges
d) (a) Both b and c
3.
Due to application of which of the following, free charges in solutions move in a specific direction?
a) Magnetic field
b) Electric field
c) Water pressure
d) Air pressure
4.
Due to the flow of which charges, electric current is produced?
a) (c) Negative charges
b) (d) Neutral charges
c) (b) Positive charges
d) (a) Both b and c
5.
Due to flow of which charges, electric current is produced in metals?
a) Neutral charges
b) Free electrons
c) Positive charges
d) Positrons
6.
In which of the following, the current is produced only due to the flow of free electrons?
a) Electrolytic solutions
b) Metalloids
c) Metals
d) Non metals
7.
Due to flow of which charges, electric current is produced in metals?
a) Positrons
b) Negative charges
c) Positive charges
d) Neutral charges
8.
In which of the following, the current is produced only due to the flow of negative charges?
a) Non metals
b) Metalloids
c) Metals
d) Electrolytic solutions
9.
Due to flow of which charges, electric current is produced in aqueous solution?
a) (d) Neutral charges
b) (c) Negative charges
c) (a) Both b and c
d) (b) Positive charges
10.
What do free charges constitute when they are exposed to an external electric field?
a) Resistance
b) Capacitance
c) Magnetic field
d) Electric current
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