This page requires a JavaScript-enabled browser
Instructions on how to enable your browser are contained in the help file.
Physics 10 Chapter 14 - Current and Electricity - 1
1.
What do charges in motion constitute?
a) Magnetic current
b) Resistance
c) Power
d) Electric current
2.
What is the rate of flow of charge called?
a) Current
b) Magnetic field
c) Capacitance
d) Resistance
3.
Most of the electric charge around us is bound in.....................?
a) Positrons
b) Neutral atoms
c) Positive atoms
d) Negative atoms
4.
In which of the following, some electrons are not tightly bound to nuclei?
a) Non-metals
b) Metalloids
c) Semi-metals
d) Metals
5.
In which of the following, some electrons are free to move around randomly?
a) Metals
b) Metalloids
c) Semi-metals
d) Non-metals
6.
What is the motion of valence electrons in metals?
a) Do not move
b) Brownian motion
c) Linear motion
d) Random motion
7.
How much strong is the force of attraction between electrons and nucleus in metals?
a) Very strong
b) Very weak
c) Strong
d) Weak
8.
In which of following, some positive and negative charges can freely move around randomly?
a) Non metals
b) Solutions
c) Metalloids
d) Metals
9.
An electric current in conductors is due to the flow of.......................?
a) Negative ions
b) Free electrons
c) Positive charges
d) Positive ions
10.
In metals, which of the following nucleons are not tightly bound to nuclei and are free to move around randomly?
a) Neutrons
b) Positrons
c) Protons
d) Electrons
This is more feedback!
This is the feedback!
