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- 1. Multiple Choice
The movement of electrons is know as ______________.
voltage
resistance
current
static electricity
- 2. Multiple Choice
What are the three methods of transfer of charge?
friction
convection
conduction
radiation
induction
- 3. Multiple Choice
Which of the following would make a good conductor?
copper
foam
a board
a plastic straw
- 4. Multiple Choice
What are the units of current?
ohms
amps
volts
electrons
- 5. Multiple Choice
Which subatomic particles create static charge?
electrons
neutrons
protons
quarks
- 6. Multiple Choice
What current will travel through a wire if it has a resistance of 10 ohms and a voltage of 15 volts?
150 amps
1.5 amps
150 I
1.5 I
- 7. Multiple Choice
Electrons flow from ___________ to _____________.
positive, negative
north, south
negative, positive
south, north
- 8. Multiple Choice
Which direction do field lines travel?
negative to positive
south to north
north to south
positive to negative
- 9. Multiple Choice
Where is the force applied by a magnetic field the strongest?
in the middle of a magnet
at the poles
far away from the magnet
none of the above
- 10. Multiple Choice
For a magnet to form all of the domain must be ___________.
unaligned
strengthened
aligned
disrupted
- 11. Multiple Choice
Lightning is an example of ___________________.
static discharge
electrons spinning
protons spinning
none of the above
- 12. Multiple Choice
The Earth is a big ____________.
electron
conductor
magnet
field
- 13. Multiple Choice
What must domains do to create a magnet?
they must be unaligned
they must go from negative to positive
they must be aligned
they must go from positive to negative
- 14. Multiple Choice
How many paths can current take in the picture?
1
4
3
2
- 15. Multiple Choice
What voltage is produced by a current of 5 amps and a resistance of 8 ohms?
1.6 volts
0.625 ohms
40 volts
0.625 volts
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