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Electricity
Test Description: Electricity Unit
Instructions: Answer all questions to get your test result.
1) The continuous flow of electrons
A
Static Electricity
B
Current
C
Serial
D
Parellel
2) A stationary electrical charge
A
Parallel
B
Serial
C
Static electrcity
D
Current
3) Material that resists the flow of electrons
A
Static electrcity
B
Metal and Rubber
C
Insulator
D
Conductor
4) Material that allows electrons to flow freely
A
Metal and Rubber
B
Insulator
C
Static electrcity
D
Conductor
5) A charged particle
A
Electron
B
Protron
C
Neutron
D
Ion
6) Current flows from
A
positive to negative
B
left to right
C
right to left
D
negative to positive
7) A circuit with multiple paths for electrons
A
Serial
B
Ion
C
Current
D
Parallel
8) A circuit with only one path for electrons
A
Current
B
Serial
C
Parallel
D
Ion
9) A transistor is:
A
A gate or switch that controls the flow of electricity through a circuit.
B
A turbine that turns a magnetic coil to generate electrcity
C
A chemical reaction resulting in extra electrons
D
A way to protect the parts of an electrical circuit from a surge of current.
10) A battery is:
A
A turbine that turns a magnetic coil to generate electricity
B
A chemical reaction resulting in extra electrons.
C
A way to protect the parts of an electrical circuit from a surge of current
D
A gate that controls the flow of electricity through a circuit.
11) An Integrated circuit is made out of this type of material:
A
Semi-conductor
B
Conductor
C
Insulator
12) Describe how lightning if formed:
A
Friction-Water-Ions-Charged Particles- Discharge of electricity
B
Discharge of electricity-Friction-Ions-Charged Particles
C
Water-Friction-Charged Particles-Ions- Discharge of electricity
D
Ions-Charged Particles-Friction-Water-Discharge of electricity
13) A complete circular path that allows electrons to flow:
A
Parellel
B
Circuit
C
Current
D
Series
14) In a lightning cloud the charged particles are:
A
Positive on top, Negative on bottom
B
Positive on bottom, Negative on top
15) An example of an electrical insulator is:
A
Rubber
B
Silicon
C
Metal
16) An example of a conductor is:
A
Rubber
B
SIlicon
C
Metal
17) An example of a semi-conductor is
A
Metal
B
Rubber
C
Silicon
18) The Law of Charges states that:
A
Like charges attract and Opposite charges repel
B
Like charges repel and Opposite charges attract
19) Voltage is:
A
the amount of current that a power source can push
B
how fast the current can flow
20) Power is
A
the amount of current that a power source can push
B
how fast the current can flow
*select an answer for all questions
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