Understanding Electrical Components and Functions
Interactive Video
•
Physics, Science
•
7th - 10th Grade
•
Practice Problem
•
Hard
Amelia Wright
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main function of a cell in an electrical circuit?
To measure voltage
To provide electrical energy
To restrict current flow
To convert electrical energy into light
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is a battery different from a single cell?
A battery is a collection of cells
A battery provides less energy
A battery is a single cell
A battery restricts current flow
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a closed switch do in a circuit?
Allows the current to flow
Stops the current flow
Measures the current
Increases the resistance
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the symbol for a voltmeter?
A circle with an E
A circle with a V
A rectangle
A circle with an M
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does a variable resistor differ from a fixed resistor?
It changes resistance
It allows current to flow
It measures voltage
It emits light
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of a bulb in a circuit?
To convert electrical energy into light
To provide electrical energy
To measure current
To restrict current flow
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of a diode in a circuit?
To emit light
To measure voltage
To allow current to flow in one direction
To allow current to flow in both directions
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