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Electricity And Magnetism Review
Test Description: BA review
Instructions: Answer all questions to get your test result.
1) What type of circuit only has one path for electricity?
A
Parallel
B
Series
2) The south pole of a magnet _______________.
A
Attracts the North Pole
B
Will attract to an aluminum can
C
Repels the North Pole
3) When you break a magnet into two pieces...
A
You get two north poles.
B
You get one magnet
C
You get two north and two south poles
4) More wraps will make an electromagnet....
A
Stronger
B
Weaker
5) Where is a magnet the strongest?
A
The north and south poles
B
The South Pole
C
The middle
6) When you change the direction of current of an electromagnet in an electric motor....
A
The magnetic field reverses direction
B
Mechanical energy is converted to electrical energy
C
The electromagnet turns off
7) Generating electric current by moving an electrical conductor relative to a magnetic field.
A
Magnetic Field
B
Electromagnetic Induction (Electric Generator)
C
Electromagnetic Force
8) Why do fossil fuels account for most of the world's energy use?
A
Nonpolluting
B
Relatively cheap and readily available
C
Distributed evenly throughout the world
9) Right Hand Rule - your fingers represent...
A
Electron Flow
B
Magnetic Field
C
Poles
10) Nonrenewable energy resources include all of the following except.
A
Oil
B
Hydrogen Fuel Cell
C
Coal
D
Uranium
11) Electrical to Mechanical
A
Electric Generator
B
Electric Motor
12) Mechanical to Electrical
A
Electric Motor
B
Electric Generator
13) Coal burning power plant
A
Mechanical - chemical - electrical
B
Chemical - heat (thermal) - mechanical - electrical
C
Electrical - mechanical - chemical
14) Energy stored in oil
A
Thermal
B
Chemical
C
Nuclear
15) The amount of light produced compared to the electricity that goes into the light.....
A
Less than
B
Equal to
C
More than
*select an answer for all questions
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