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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
Heat
B
Chemical
C
Nuclear
D
Light
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
Magnetism
D
Chemical
3) This form of energy is produced by applying mechanical pressure to quartz crystal?
A
Light
B
Nuclear
C
Magnetism
D
Piezoelectric
4) This form of energy uses photovoltaic cells for conversion.
A
Magnetism
B
Chemical
C
Light
D
Heat
5) This form of energy usues a thermocouple consisting of two different metals to produce a flow of electrons.
A
Light
B
Chemical
C
Heat
D
Nuclear
6) Current can flow in two more electron paths in this type of circuit
A
Series
B
Closed
C
Parallel
D
Open
7) Unit of measure for EMF and Electron Pressure
A
Ohm
B
Amps
C
Coloumb
D
Voltage
8) A cell and a battery are examples of this type of current.
A
Alternating Current
B
Oscillating Current
C
Direct Current
D
Chemical Current
9) Unit of measure for electrons moving in a circuit
A
Amperes
B
Coloumbs
C
Voltage
D
Ohms
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
Swtiches
B
cells
C
laods
D
paths
12) This type of current changes direction and is found in most outlets in residential homes in the US.
A
Alternating Current
B
Direct Current
13) This device changes or converts energy from one form into another form of energy
A
Battery
B
Load
C
Path
D
Switch
14) This device controls the electron flow in a circuit
A
power source
B
Switch
C
Load
15) Electrons in motion is known as...
A
Voltage
B
Static Electricity
C
Current Electricity
16) Opposition to the flow of electrons is known as...
A
Resistance
B
Amperes
C
Voltage
D
Ohms
17) The negative end of a battery is called...
A
-
B
+
C
Anode
D
Cathode
18) Resisitance is measured in...
A
Amperes
B
Voltage
C
Ohms
19) The positive end of a battery is known as the ...
A
+
B
Anode
C
Cathode
D
-
20) Materials that allow electrons to flow through them are called _____________, materials that resist the flow of electrons are called ____________.
A
Conductors, semi-conductors
B
Conductors, Insulators
C
Insulators, conductors
*select an answer for all questions
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