CEDD
Authored by Bon Villarama
Information Technology (IT)
University
Used 2+ times
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60 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a circuit diagram, a black dot at a junction of wires represents:
Crossing wires without connection
A switch
A connected node
A short circuit
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When two wires cross without connecting, the symbol used is:
A dot
A loop/hop
A zigzag line
A rectangle
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a single-cell battery symbol, the long line represents:
Negative pole
Positive pole
Ground
Fuse
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A battery with multiple cells is represented by:
Two parallel lines only
Several pairs of long and short lines
A zigzag line
A circle with “B”
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which symbol represents an AC power supply?
Straight lines
Sine wave
Dotted circle
Zigzag
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The function of a fuse is:
To increase voltage
To store energy
To protect circuits from excessive current
To amplify signals
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the fuse rating is exceeded, it will:
Increase resistance
Melt and open the circuit
Shorten the wire
Act as a switch
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