Science Form 3 Chapter 6 (Electricity and Magnetism)

Quiz
•
Science
•
3rd Grade
•
Medium
+4
Standards-aligned

Sim Hui Leong
Used 3K+ times
FREE Resource
22 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The diagram shows how electrical energy is produced.
What does Q represent?
The water is heated until steam is produced and the turbine is rotated.
The water rotates a motor, which will then rotate a generator.
A mixture of steam and gas is heated until they expand and the turbine is generated.
The water rotates a turbine, which will then rotate a generator.
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which of the following describe the characteristics of non-renewable energy sources?
Can be depleted if the usage is not controlled
Takes millions of years to be formed
Can not cause environmental pollution
Have limited sources
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
The diagram shows an apparatus.
Which of the following statements are true about the apparatus?
It is used to change a low input voltage to a higher output voltage
It alters the voltage of alternating current
It is used to change a high input voltage to a lower output voltage
It helps to reduce energy wastage during the transmission of electrical energy
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The diagram shows four transformers, A, B, C and D.
Which transformer is a step - up transformer?
A
B
C
D
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where does the electric power voltage begin to be lowered in the electricity transmission and distribution system?
Substation
National power grid
Switch field
Main substation
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
The electrical wiring system in a home has several safety features.
Which of the following are the safety features?
The main fuse
The colour codes for different wires
The Earth Leakage Circuit Breaker
Electric meter
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
The diagram shows a common electrical device.
What are the safety features shown in the device.
Live wire
Earth wire
Neutral wire
Fuse
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