Question

1. What is referred to as the flow of charge or electricity?
a. resistance
b. voltage
c. circuit
d. electric current
2. These are materials such as rubber that do not allow charges to flow.
a. circuits
b. conductors
c. insulators
d. amps
3. What do you call the measure of amount of electrical energy that can move charges from one point to another?
a. circuit
b. resistance
c. electric current
d. voltage
4. What is referred to as the rate or how fast electrical energy is consumed?
a. electric current
b. electric power
c. circuit
d. voltage
5. What do you call the path where electricity can flow?
a. resistance
b. electric power
c. circuit
d. voltage
6. Which circuit has more than one path where electricity can flow?
a. series circuit
b. parallel circuit
7. Which is a safety device used for electrical connections?
a. circuit breaker
b. fuse
c. earthing
d. all of these
8. Which of the following is like an automatic switch that turns off the circuit when there is an overloading of current?
a. circuit breaker
b. fuse
c. earthing
d. all of these
9. What safety device causes a thin metal wire to melt due to excess current?
a. double insulation
b. circuit breaker
c. fuse
d. earthing
10. that's the first thing you should do if someone is shocked electrically?
a. Use the fire extinguisher
b. Remove the person from the power source
c. Check for breathing and heartbeat
d. Turn off the power source
11. How does double insulation increase household electrical safety?
a. By breaking the flow of current if a difference is detected between the live and neutral wires.
b. By breaking the flow of current if it becomes too high.
c. By providing an extra layer of electrical insulation
d. By taking current to the ground if the metal casing of the appliance becomes lived.
12. Which of the following is NOT one of the purposes of a fuse or circuit breaker?
a. To prevent metal cases from becoming electrified.
b. To allow you to reduce the power going to an appliance.
c. To protect appliances against power surges.
d. To prevent electrocution.
13. How do circuit breakers work?
a. By having pieces of metal wire that melt when current gets too low
b. By having pieces of metal wire that melt when current gets too high
c. By having an electromagnet that will break a circuit if the current gets too high
d. By having an electromagnet that will break a circuit if the current gets too low

Answer 1

Answer:

1.d) electric current

2.c) insulators

3.d) voltage

4.b) electric power

5.c) circuit

6.b) parallel circuit

7. b) fuse

8.b) fuse

9.c) fuse

10.d) turn off the power source

11.d) by taking current to the ground if the metal casing of the appliance become lived

12. a) to prevent metal cases from being electrified

13.c) by having an electromagnet that will break a circuit if the current gets too low

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