Mains Electricity
Assessment
•
HAROON JAMIL
•
Physics
•
9th - 10th Grade
•
24 plays
•
Medium
Student preview
10 questions
Show all answers
1.
MULTIPLE CHOICE
5 sec • 1 pt
1.
Some cables for electrical appliances only have two wires within them. Which wire is missing from this configuration?
2.
MULTIPLE CHOICE
10 sec • 1 pt
2.
What kind of a plug is used to connect electrical appliances to a mains socket in the UK?
3.
MULTIPLE CHOICE
5 sec • 1 pt
3.
What size of fuse would be required for an electrical appliance which has a power rating of 600W and running off UK mains voltage at 230V?
4.
MULTIPLE CHOICE
10 sec • 1 pt
4.
Which colour wire is the live wire in a 3-pin plug?
5.
MULTIPLE CHOICE
5 sec • 1 pt
5.
If an appliance uses mains electricity at 230 V and the service manual for the appliance recommends using a fuse of 13 A, what is the power consumption it can safely use?
6.
MULTIPLE CHOICE
10 sec • 1 pt
6.
What do electrical appliances transfer?
7.
MULTIPLE CHOICE
5 sec • 1 pt
7.
What is the main difference between a circuit breaker and a fuse?
8.
MULTIPLE CHOICE
5 sec • 1 pt
8.
What does the power of an electrical appliance represent?
9.
MULTIPLE CHOICE
10 sec • 1 pt
9.
Why do some appliances not need an earth wire?
10.
MULTIPLE CHOICE
5 sec • 1 pt
10.
Most appliances have their power consumption and potential difference printed on them. Which of the following can be calculated from these values?
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