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Unit 1 Electricity Review
Test Description: Review of key concepts of basic electricity
Instructions: Answer all questions to get your test result.
1) This form of energey is produced using two dissimilar metals, an electrolyte, and two or more cells connected.
A
Light
B
Chemical
C
Heat
D
Nuclear
2) This form of energy is the most often produced and operates using the law of repulsion and two different poles?
A
Heat
B
Piezoelectric
C
Chemical
D
Magnetism
3) This form of energy is produced by applying mechanical pressure to quartz crystal?
A
Light
B
Piezoelectric
C
Magnetism
D
Nuclear
4) This form of energy uses photovoltaic cells for conversion.
A
Heat
B
Chemical
C
Magnetism
D
Light
5) This form of energy usues a thermocouple consisting of two different metals to produce a flow of electrons.
A
Nuclear
B
Heat
C
Light
D
Chemical
6) Current can flow in two more electron paths in this type of circuit
A
Series
B
Open
C
Parallel
D
Closed
7) Unit of measure for EMF and Electron Pressure
A
Ohm
B
Amps
C
Voltage
D
Coloumb
8) A cell and a battery are examples of this type of current.
A
Chemical Current
B
Alternating Current
C
Direct Current
D
Oscillating Current
9) Unit of measure for electrons moving in a circuit
A
Amperes
B
Ohms
C
Voltage
D
Coloumbs
10) Switches, fuses, and circuit breakers are hooked up in this type of circuit. (One turns off they al do)
A
Series
B
parallel
11) A battery is made up of two or more of these...
A
laods
B
Swtiches
C
paths
D
cells
12) This type of current changes direction and is found in most outlets in residential homes in the US.
A
Direct Current
B
Alternating Current
13) This device changes or converts energy from one form into another form of energy
A
Path
B
Switch
C
Load
D
Battery
14) This device controls the electron flow in a circuit
A
power source
B
Load
C
Switch
15) Electrons in motion is known as...
A
Static Electricity
B
Current Electricity
C
Voltage
16) Opposition to the flow of electrons is known as...
A
Amperes
B
Ohms
C
Resistance
D
Voltage
17) The negative end of a battery is called...
A
Cathode
B
Anode
C
+
D
-
18) Resisitance is measured in...
A
Amperes
B
Voltage
C
Ohms
19) The positive end of a battery is known as the ...
A
Cathode
B
+
C
-
D
Anode
20) Materials that allow electrons to flow through them are called _____________, materials that resist the flow of electrons are called ____________.
A
Conductors, Insulators
B
Insulators, conductors
C
Conductors, semi-conductors
*select an answer for all questions
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