1. Which of the wires above could carry the greatest current?
A
B
C

2. A current that moves back and forth is defined as:
AD
AC
DC
DDT

3. A current of electricity that flows in only one direction is defined as:
AD
AC
DC
DDT

4. The amount of work an electrical current can do is measured in:
amps
ohms
watts
volts

5. The speed at which an electrical current can do work is measured in:
amps
ohms
watts
volts

6. Which of the following statements best explains why a motor spins?
magnetic fields generate electrical fields that make electrons move
magnetic fields generate proton movement
electric fields generate magnetic fields that spin the motor
electric fields generate electrons that create friction

7. Which of the following statements best explains why a generator produces electricity?
magnetic fields generate electrical fields that make electrons move
magnetic fields generate proton movement
electric fields generate magnetic fields that spin the motor
electric fields generate electrons that creates friction

8. The term DC refers to:
determined current
direct current
direct cycle
determined cycle

9. The term AC refers to:
alternating current
aligned cycle
alternating cycle
aligned current

10. Which statement is true about a generator?
it converts electrical energy into mechanical energy
it converts mechanical energy into magnetic energy
it converts mechanical energy into electrical energy
it converts electrical energy into mechanical energy

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1) When a calcium atom forms an ion, it loses two electrons.
What is the electrical charge of the calcium ion?

A: -2
B: -1
C: +1
D:+2

2)Which particle builds a static electric charge when it is transferred from one object to another?

A: proton
B: electron
C: atom
D: molecule

3) What causes nickel and certain other metals to be magnetic?

A: the infuence of earth’s magnetic field
B: the motion of protons in their atoms
C: their atoms have more electrons than protons
D: the pattern of electrons in their atoms

4) Where is the magnetic field of a bar magnet the strongest ?

A: in the middle of the magnet
B: at the north and south poles
C: next to the south pole
D: between the north and south poles

5)What happens inside an electric generator?

A: magnetic energy is converted to electrical energy
B:chemical energy is changed to magnetic energy
C: electrical energy is converted to magnetic energy
D: mechanical energy is changed to electrical energy

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Can some one explain this better.

Quote A dynamo works in reverse – mechanical movement spins a magnetic field, creating current. Quote

sorry I do not know how a dynamo works or how a generator works.

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A) Wind Energy
It is a good alternative energy generation. However, it requires a large area with high wind pressure, weather conditions, cost a lot more investment and maintenance. When the wind is low pressure or time is in poor condition, then the generator is done slowly or stops quickly.

B) Solar Energy
It is also an important source of alternative energy. But it depends on sunlight and requires a large area for installation. So it is no reliable system of electricity generation.

We’re always thinking of magnetic energy generator, we can imagine it’s very complicated system. But the fact is that this system of magnetic energy generation is an easy to learn and practice. It also requires little effort, cost of installation and maintenance. Of course, does not require any weather because once we have installed in our house, then it will start generating electricity endlessly until you need it. These below are the additional benefits of magnetic energy generator:

1. Environmentally friendly energy.
2. Save money on monthly electricity bills.
3. An occupation is very little space.
4. A low cost investment for DIY materials.
5. Not huge or expensive maintenance.
6. Easy to move from one place to another place without any extra effort.

If you are looking for another source of free energy for your home, I would recommend this system to generate magnetic energy.

To save energy at home to save money and very indirect, reduce household expenses. Read more about Magnets4Energy Review for more information about saving energy at home. Learn more about energy conservation and the purchase of energy efficient homes by visiting my website: HERE

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About the Author:
Sam Jones is an advocate for Green Energy Solutions and affiliate for green products

 
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PMA Permanent Magnet Alternator Generator 6.5 hp Engine Battery Charger This is a 175 amp (rated) permanent magnet alternator being powered by a 6.5 hp Lifan horizontal shaft engine purchased at Harbor Freight. This is the first iteration and I believe the pulley on the engine could be larger which would allow the engine to be almost at an idle and still put out well over 25 amps. In the current configuration, it outputs about 30 amps at only partial throttle. At full throttle it pegs the 50 amp meter, so I have no idea what it is really putting into the battery at the full 3600 rpm that the engine is capable of. The initial problem with the setup was that the PMA came with a pulley size of about 2 3/4″ and the engine was spinning it WAY too fast. Another video contributor on YouTube, STUCKINWAWA, advised me that a 7″ pulley on the PMA would work better and he was right. The big problem with that is that the PMA has a 17mm shaft and I didn’t own a 17mm drill to open up the 7″ pulley bore. A little time on the lathe with a boring bar and the problem was solved. I also had to reduce the thickness of the cast-iron pulley on the lathe. This setup should charge a battery in short order once the pulley sizes are maximized for the engine horsepower. I plan to run everything on my boat dock with this unit, a battery, and a 6000 watt inverter to provide plenty of AC. The neodymium magnets in the alternator have a cogging effect and you may have to make a drive-belt release to get …