National Grid
Quiz
•
Physics
•
9th Grade
•
Practice Problem
•
Medium
Standards-aligned
Ben Cobbold
Used 327+ times
FREE Resource
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of transformer increases voltage?
Step-Up
Step-Down
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
What quantities are changed in a step-up transformer?
Voltage increases
Voltage decreases
Current increases
Current decreases
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the voltage increased in the national grid?
Stops electricity being lost.
Stops energy loss by heat
To increase safety
Stops energy loss through leaking electricity
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is mains voltage in the UK?
240V
1.5V
120V
230V
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which images shows the voltage trace for a.c?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Electrical energy enters the home at approximately...
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Step-up transformers...
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