What are the hazards of electricity mentioned in the text?

Electricity Quiz

Quiz
•
Education
•
12th Grade
•
Hard
Muhammad Rahimi
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
D. All of the above
C. Carelessness and unsafe operating procedures
B. Lack of maintenance and checks
A. Ignorance and lack of earthing
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What steps should be taken if a person is shocked or burned by electricity?
D. Break the contact of the victim without endangering yourself
C. Start CPR immediately if victim stopped breathing
B. Touch the victim with bare hands
A. Turn on the supply
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for Ohm's Law?
D. V=230V
C. R=VI
B. I=VR
A. V=I×R
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the two types of power sources mentioned in the text?
C. AC and CC
B. DC and AC
A. AC and BC
D. DC and BC
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where does the electricity supply for the vast majority of electrical installations come from?
D. Batteries
C. Solar Panels
A. Power Stations
B. Windmills
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of a transformer in the transmission of electricity?
C. Both A and B
B. Reduce voltage to a lower value
A. Raise voltage to a higher value
D. None of the above
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of earthing in an electrical installation?
A. To increase the voltage of live conductors
C. To reduce the resistance of the circuit
B. To prevent the potential of live conductors rising above the safe value
D. To decrease the current flow
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