wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

untitled

Total questions: 15

Worksheet time: 11mins

Name
Class
Date
1.

What are the types of electric currents?

a)

AA/CC

b)

AC/DC

c)

CC/DC

d)

CA/DC

2.

What is an alternating current? (AC)

a)

It`s like a back-and-forth or oscillating flow of charge, similar to the ebb and flow of the tides in the ocean.

b)

This is like a steady and unidirectional flow of charge, similar to a river with a constant, one-way current.

3.

What is a direct current? (DC)

a)

AC is like a back-and-forth or oscillating flow of charge, similar to the ebb and flow of the tides in the ocean.

b)

This is like a steady and unidirectional flow of charge, similar to a river with a constant, one-way current.

4.

What electronic component allows current to flow in one direction only?

a)

Resistor

b)

LED

c)

Diode

d)

Switch

5.
Glass is a good conductor.
a)
True
b)
False
6.
Electrons have a positive charge.
a)
True
b)
False
7.
Current is measured in:
a)
volts
b)
amperes
c)
ohms
d)
watts
8.
Resistance is measured in:
a)
volts
b)
amps
c)
ohms
d)
watts
9.
Which of these is NOT a requirement for a simple circuit?
a)
Voltage
b)
Load
c)
Conductor
d)
Light
10.
What is the name of the following component?
a)
resistor
b)
light dependent resistor
c)
variable resistor
d)
thermistor
11.

What Symbol is this?

a)

LED

b)

Diode

c)

Bulb

d)

Switch

12.
The symbol for voltage is: 
a)
Vo
b)
V
c)
W
d)
Amp
13.
A tool that measures voltage, current, resistance, and continuity is called a:
a)
voltmeter
b)
resistor
c)
multimeter
d)
screwdriver
14.
What does this picture show?
a)
A multimeter
b)
A breadboard
c)
A circuit board
d)
A resistor
15.

Identify the electronic symbol.

a)

Diode

b)

Photodiode

c)

Reflective diode

d)

Light Emitting Diode