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- 1. Multiple ChoiceGenerators get their mechanical power fromBatteriesPrime moverTransistorCapacitors
- 2. Multiple ChoiceThe process of generating the current in a conductor is called asElectro motive forceElectromagnetic inductiongenerator energy conversioninduced voltage
- 3. Multiple ChoiceAC generators have2 slip rings1 slip ring3 slip rings4 slip rings
- 4. Multiple Choice
The voltage induced in a conductor is ___________ ___________ to the rate which the conductor cuts the magnetic lines of force.
inversely proportional
directly proportional
negatively coorelated
absolutely opposite
- 5. Multiple Choice
In order for electromagnetic induction to occur, you need...
a conductor
a magnetic field
relative motion
all three
- 6. Multiple Choice
In an AC generator, the wire loop which is mounted so that it rotates within a magnetic field is called the....
coil
armature
slip rings
brushes
- 7. Multiple Choice
In an AC generator, the contacts are made from a soft but highly conductive material, usually carbon, and are called...
coils
armatures
slip rings
brushes
- 8. Multiple Choice
What is this?
sawtooth wave
square wave
sine wave
triangular wave
- 9. Multiple Choice
AC generators convert ___________ energy to ____________energy.
pressure/force
mechanical/electrical
chemical/electrical
kinetic/relative
- 10. Multiple Choice
What is the name of the effect caused by the wire when it is moved across a magnetic field?
Induced magnetism
Electromagnetic induction
Electromagnetism
Turning effect of coil
- 11. Multiple Choice
What does the index finger show you in the Flemming's right-hand rule?
Direction of current
Motion of wire
Direction of electric field
Direction of magnetic field
- 12. Multiple Choice
The Flemming's right-hand rule is used when ....
motion causes current
current causes motion
current causes potential difference
motion causes magnetic field
- 13. Multiple Choice
If the coil is moving anti-clockwise, state the direction of the current on the left wire.
Upward
Downward
Into the paper
Out of the paper
- 14. Multiple Choice
The electricity generated from the power plant is
Alternating Current
Direct Current
Delayed Current
Alternating Voltage
- 15. Multiple Choice
At the power plant the turbine is connected to a __________?
DC Generator
AC Capacitor
AC Generator
Cooling Tower
- 16. Multiple Choice
Super heated steam is used to turn a ______________?
Transformer
Battery
Turbine
Toothed Gear
- 17. Multiple ChoiceWhat is the energy involved in spinning?kineticelectricalchemical potentialthermal
- 18. Multiple Choice
In a _______ a spinning turbine moves magnets which generates an electric current.
Motor
Generator
- 19. Multiple Choice
Every magnet, regardless of its shape, has two
magnetic poles.
magnetic charges.
magnetic fields.
magnetic needles.
- 20. Multiple Choice
Electric current from a generating plant is
direct current transmitted at high voltages, but usually used at low voltages
alternating current transmitted at high voltages, but usually used at low voltages.
alternating current transmitted at low voltages, but usually used at high voltages.
direct current transmitted at low voltages, but usually used at high voltages.
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