9189PH3ELECTPPT7
Authored by William Heron
Architecture
12th Grade
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the run current of a bore hole pump that is fed by a 230V supply and has a power rating of 0.75 kW?
3.26 A
2.30 A
0.75 A
7.50 A
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to Ohm's Law, which formula represents the relationship between voltage (V), current (I), and resistance (R)?
V = I × R
I = V ÷ R
R = V ÷ I
All of the above
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Using the power triangle, how do you calculate power (P) if you know the current (I) and voltage (V)?
P = I ÷ V
P = I × V
P = V ÷ I
P = V × I
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If you need to find the voltage (V) using the power triangle and you know the power (P) and current (I), which formula would you use?
V = P × I
V = P ÷ I
V = I ÷ P
V = I × P
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct formula to calculate resistance (R) using Ohm's Law?
R = V × I
R = I ÷ V
R = V ÷ I
R = I × V
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the size of a cable measured?
In meters (m)
In kilograms (kg)
In cross-sectional area (CSA) and normally stated in mm²
In cubic meters (m³)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the overcurrent protective device rating for a radial circuit using BS1363 socket outlets according to the table?
20 A
30 or 32 A
2.5 A
1.5 A
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