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Physics 10 Chapter 14 - Current and Electricity - 33
1.
What is the colour of live wire?
a) Green
b) Black
c) Blue
d) Brown
2.
What is the potential difference between the live wire and the neutral wire?
a) 220 V
b) 200 V
c) 180 V
d) 240 V
3.
What is the colour of live wire?
a) Black
b) Red
c) Green
d) Blue
4.
What is the effect of 0.001 A of current?
a) Causes involuntary muscle contractions
b) Causes loss of muscle control
c) Can be felt
d) Is painful
5.
What is the effect of 0.005 A of current?
a) Is painful
b) Causes loss of muscle control
c) Can be felt
d) Causes involuntary muscle contractions
6.
What is the effect of 0.010 A of current?
a) Can be felt
b) Causes involuntary muscle contractions
c) Causes loss of muscle control
d) Is painful
7.
What is the effect of 0.015 A of current?
a) Causes involuntary muscle contractions
b) Causes loss of muscle control
c) Is painful
d) Can be felt
8.
What is the effect of 0.070 A of current?
a) Causes involuntary muscle contractions
b) Goes through the heart
c) Can be felt
d) Is painful
9.
What is the effect of 0.070 A of current?
a) Is painful
b) Can be felt
c) Causes serious disruption
d) Causes involuntary muscle contractions
10.
What is the rating of fuses that main box contains?
a) 50 A
b) 1.0 mA
c) 100 A
d) 30 A
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