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