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WorksheetsELT_Final-Review-02-Core
Total questions: 29
Worksheet time: 14mins
Resistance is measured in what?
Volts
Amps
Watts
Ohms
Holmes
Electrical resistance is defined as:
Opposition to electron flow
Short circuit
Flow of electrons
Resistor
Circuit with multiple pathways for current to flow, multiple sub circuits.
Parallel Circuit
Series Circuit
What symbol is this?
battery
diode
LED
resistor
What symbol is that?
power supply
transistor
capacitor
switch
What electronics symbol is shown?
switch
ground
resistor
variable resistor
It is an electronic instrument used to examine the exact wave shape of an electrical signal.
capacitor
diode
oscilloscope
This is a device transforming electrical energy from one circuit to another by means of coiled conductors.
transformer
converter
varistor
_____________________ a device used to convert electric energy into mechanical energy.
Motor
Direct Current
Alternating Current
Compass
How do you increase the strength of an electromagnet?
add more magnets
larger core
increase the number of coils around the core
salt water
______________ are used for prototyping electrical circuits. They provide a very simple way to make connections between components without having to tie or solder wires together.
Connector Board
White Board
Breadboard
Controller
what is a servo motor?
a batterie that powers the circut
a engine that produces water
a proggramable rotating motor
a circut that programs the project
An electric current that continually reverses direction over time is known as a(n)
direct current
alternating current
simple current
An electric current flowing in one direction only
voltage
parallel current
direct current
electric current
What is a symbol for voltage?
V
I
R
In the picture you see an example of a (a) ?
Which leg of the LED is the positive side?
The longer one
The shorter one
There is no positive side
They are both positive, I'm positive of it.
Name this electrical component
Capacitor
Fixed Resistor
Potentiometer
Transistor
Name this electrical component
Ceramic Disc Capacitor
Fixed Resistor
Potentiometer
Electrolytic Capacitor
Name this electrical component
Electrolytic Capacitor
Fixed Resistor
Ceramic Disc Capacitor
Diode
Name this electrical component
Diode
Fixed Resistor
Transistor
Light Dependent Resistor
Name the component
Voltage Regulator
Resistor
Relay
Microprocessor
Identify this tool
Digital multimeter
Digital therometer
Digital pedometer
Digital weight scale
A 4 band resistor's first three color bands are brown, black, and red. What is its value?
10 Ω
10 kΩ
200 Ω
1000 Ω
What is the tolerance for a Red, Brown, Brown, Silver resistor?
1%
20%
5%
10%
What is the tolerance for a Green, Red, Black, Gold resistor?
1%
20%
5%
10%
What are the first three bands of a
yellow, violet, brown
yellow, blue, orange
orange, violet, yellow
yellow, violet, orange
What are the colors for a 4 band 470K ohm resistor?
Orange, Grey, Orange
Yellow, Violet, Yellow
Yellow, Violet, Orange
Orange, Grey, Yellow
