Electricity at home
Authored by Joe Pauline
Physics
10th Grade
Used 80+ times
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16 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Mains electricity is...
an alternating current (a.c.) supply
a direct current (d.c.) supply
a variable current (v.c) supply
a continuous current (c.c) supply
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
the pins of a 13 A plug are usually made from...
gold
aluminium
brass
copper
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the potential difference of mains electricity?
320 V
230 V
100 V
430 V
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the frequency of mains electricity?
50 KHz
250Hz
50 Hz
150 Hz
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
two core cables don't need which wire?
live wire
hot wire
earth wire
neutral wire
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
what is the purpose of the live wire?
completes the circuit
melts if too much current flows
only carries current when there is a fault
provides the potential difference
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
what colour is the casing of the neutral wire?
red
blue
brown
green and yellow
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