Learning Module
Assessment 2
Basic
Electricity
And
Electronics
SUBMITTED BY: JEZIEL A. MEJALA
COURSE/SECTION:
BSIT 1-A COMPUTER
TECHNOLOGY
Assessment 2
Instruction: Write the letter and answer in short bond paper or yellow pad, capture it and send to
me.
1. List the three basic elements of an atom and state the charge of each (positive, negative, or
neutral).
Element
Charge
- Protons
- Electrons
- Neutrons
-Positive charge
-Negative charge
-Neutral
2. An electron forced out of orbit by an external force is called a _______.

Free electron
3. Conductors allow ________ free electrons to flow when an external electric force is applied.

Many
4. Which of the following materials are good conductors?






A Copper
C. Silver
E. Aluminum glass
F. Iron mica
Zinc
Brass
5. Semiconductor devices can be manufactured to allow ______ electrons to flow in one direction
and ____________ electrons to flow in the opposite direction

Many, Few
Convert the following units.
1. 25 pFto
2. 450 uAto
3. 1000 Hzto
4. 2.58 KΩto
5. 1500 mVto
0.025
0.45
0.001
2580
1500000
nF
mA
mHz
Ωm
uV
to
to
to
to
to
2.5e-11
0.000450
1
2580
1.5
F
A
kHz
Ω
V