Electronics Quiz
Authored by LS SIM
Design
9th Grade
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of a Light Dependent Resistor (LDR) in a solar-powered street light system?
Converts temperature into resistance
Produces light energy
Converts brightness of light into resistance
Generates sound when electricity flows through it
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which component is used to convert electrical energy to light in a smart home lighting system?
Buzzer
Solenoid
Motor
Light-emitting diode (LED)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the Reed Switch operated?
Converts brightness of light into resistance
Operated by an applied magnetic field
Converts temperature into resistance
Produces sound when electricity flows through it
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of switch is commonly used in children's toys and flashlights for turning on or off?
Slide Switch
Micro Switch
Toggle Switch
Push Switch Normally Open (NO)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of a Solenoid in an electronic system?
Converts electrical energy to mechanical energy
Converts brightness of light into resistance
Converts electrical energy to light
Converts temperature into resistance
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main function of a Relay in an electronic system?
It enables a low voltage circuit to activate a high voltage circuit
Converts electrical energy to light
Converts electrical energy to kinetic energy
Converts electrical energy to mechanical energy
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of switch is used to control the lighting in a room?
Single-Pole - Double-Throw (SPDT)
Double-Pole - Double-Throw (DPDT)
Single-Pole - Single-Throw (SPST)
Double-Pole - Single-Throw (DPST)
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