WorksheetsElectronics 1
Total questions: 27
Worksheet time: 14mins
Name
Class
Date
1.
What electronic component allows current to flow in one direction only?
a)
Resistor
b)
LED
c)
Didode
d)
Switch
2.
What is the number value for green in the color code chart?
a)
6
b)
4
c)
2
d)
5
3.
Which type of switch doesn't have the same schematic symbol as the other 3?
a)
Push Button Switch
b)
Toggle Switch
c)
Slide Switch
d)
Rocker Switch
4.
What material is a resistor made of?
a)
Graphite
b)
Carbon
c)
Glass
d)
Mica
5.
What type of circuit is the most efficient?
a)
Combination circuit
b)
Series circuit
c)
Parallel circuit
d)
Isometric circuit
6.
Glass is a good conductor.
a)
True
b)
False
7.
Electrons have a positive charge.
a)
True
b)
False
8.
The nucleus of an atom contains protons and?
a)
Electrons
b)
Neutrons
9.
Which of the materials is not a good conductor?
a)
Copper
b)
Silver
c)
Aluminum
d)
Mica
10.
What does the 3rd band on a resistor represent?
a)
A number
b)
The Tolerance level
c)
The multiplier
d)
The electronic range
11.
Electronics is the science and technology concerned with regulating flow of:
a)
Heat
b)
Electricity
c)
Water
d)
Power
12.
Electricity is:
a)
Flowing electrons
b)
Still electrons
c)
voltage x wattage
d)
amps x watts
13.
Choose the true statement below concerning DC currents:
a)
DC stands for Direct Computing and electrons flow in multiple pathways
b)
DC stands for direct current and electrons flow in multiple directions
c)
DC stands for direct current and the electrons do not flow
d)
DC stands for direct current and the electrons flow in only one direction
14.
The symbol for voltage is:
a)
Vo
b)
V
c)
W
d)
Amp
15.
Current is measured in:
a)
Ohms
b)
Voltage
c)
Amperes
d)
Watts
16.
An expression for the overall power in a circuit is:
a)
watts
b)
voltage
c)
current
d)
resistance
17.
If you have three 1.5V batteries in series, what would be total voltage be?
a)
3.4 V
b)
4.5 V
c)
1.5 V
d)
3 V
18.
An AA battery holder with 6 cells provides how many total volts?
a)
1.5V
b)
6V
c)
9V
d)
3V
19.
A tool that measures voltage, current, resistance, and continuity is called a:
a)
voltmeter
b)
resistor
c)
multimeter
d)
screwdriver
20.
Continuity measures:
a)
The voltage between two points.
b)
The resistance between two points.
c)
The wattage between two points.
d)
Whether or not there is a current between two points.
21.
In all electronics applications you should never:
a)
Connect power directly to ground.
b)
Offer resistance to the flow of electricity.
c)
Reverse the probes of the multimeter.
d)
none of the above
22.
What does this picture show?
a)
A multimeter
b)
A breadboard
c)
A circuit board
d)
A resistor
23.
A means of fusing together two metal objects to create an electrical connection is called:
a)
soldering
b)
wiring
c)
programming
d)
welding
24.
The correct way to hold this object is like a:
a)
a hammer
b)
a tennis racket
c)
a pencil
d)
a football
25.
This is used to:
a)
warm up the iron
b)
clean the iron
c)
get metal onto the iron
d)
none of the above
26.
The thickness of a wire is called its:
a)
resistance
b)
amperage
c)
thickness
d)
guage
27.
Which color wire is used for ground?
a)
red
b)
black
c)
green
d)
yellow
100 %
