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WorksheetsElectrostatics
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
How close must two electrons be to generate a force of 1000 N. Charge of an electron = 1.6x10-19 C
a)
4.8E-16
b)
2.35E-31
c)
1.4E-10
d)
1.2E-5
2.
Why are insulators better "holders" charge?
a)
They discharge as easily as conductors
b)
insulators radiate electric fields
c)
conductors discharge to easily
d)
insulators cannot be charged
3.
Which of the following is not a semi conductor?
a)
Silicon
b)
Germanium
c)
Selenium
d)
Copper
4.
Which of the following is NOT an example of an electromagnetic force in action.
a)
Protons bound in the nucleus of an atom
b)
A current carrying wire
c)
a rotating magnet inside coil of copper wire
d)
two charged balloons being repelled
5.
According to Coulomb's law, you can do all of the following to increase the electric force of repulsion EXCEPT
a)
Increase charge 1
b)
Increase charge 2
c)
Decrease the distance
d)
Increase the distance
6.
A battery pushes electrons through a current carrying wire. This is due to
a)
Gravitational Force
b)
ElectroMagnetic Force
c)
Weak Nuclear Force
d)
Strong Nuclear Force
7.
Which of the following is NOT an example of an electromagnetic force
a)
The earth rotating around the sun
b)
The earth's magnetic field
c)
A charged rod attracting a piece of paper
d)
The atomic bonds of H2O
8.
Who is the NOT most handsome of Physics Teachers
a)
Albert Einstein
b)
Mr. Fierro
c)
Senor Fierro
d)
Fierro The Barbarian
9.
What types of materials are best for providing current to objects?
a)
Conductors
b)
Insulators
c)
Semi-conductors
d)
Optical Systems
10.
How do electric generators work?
a)
A rotating magnet surrounded by a conducting wire
b)
A rotating conducting wire surrounded by capacitors
c)
A voltage battery creating the electromotive force through a copper wire
d)
An insulating layer surrounded by two conducting plates
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