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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
Chemical
B
Light
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
Chemical
B
Heat
C
Magnetism
D
Piezoelectric
3) This form of energy is produced by applying mechanical pressure to quartz crystal?
A
Light
B
Magnetism
C
Piezoelectric
D
Nuclear
4) This form of energy uses photovoltaic cells for conversion.
A
Chemical
B
Light
C
Heat
D
Magnetism
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
Open
C
Parallel
D
Closed
7) Unit of measure for EMF and Electron Pressure
A
Amps
B
Voltage
C
Coloumb
D
Ohm
8) A cell and a battery are examples of this type of current.
A
Oscillating Current
B
Chemical Current
C
Alternating Current
D
Direct Current
9) Unit of measure for electrons moving in a circuit
A
Coloumbs
B
Amperes
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
cells
B
laods
C
Swtiches
D
paths
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
Battery
B
Switch
C
Load
D
Path
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
Static Electricity
B
Voltage
C
Current Electricity
16) Opposition to the flow of electrons is known as...
A
Voltage
B
Amperes
C
Resistance
D
Ohms
17) The negative end of a battery is called...
A
+
B
Cathode
C
Anode
D
-
18) Resisitance is measured in...
A
Voltage
B
Amperes
C
Ohms
19) The positive end of a battery is known as the ...
A
Cathode
B
-
C
Anode
D
+
20) Materials that allow electrons to flow through them are called _____________, materials that resist the flow of electrons are called ____________.
A
Insulators, conductors
B
Conductors, Insulators
C
Conductors, semi-conductors
*select an answer for all questions
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