Choose the letter of the correct answer. Write your answers on a separate
sheet of paper.
1. It is a device that maintains steady supply of voltage to your appliances at
home.
A. fuse
B. resistor
C. circuit breaker
D. voltage regulator
2. Which of the following statements is NOT true about safety devices used at
home?
A. Safety devices are used to prevent electric shock.
B. Safety devices cut the flow of current in case of overloading.
C. Safety devices are used to provide alternative route for current in the case
of a grounded circuit.
D. Safety devices supply unsteady amount of voltage to protect appliances
against overloading.
3. The fuse at home has "blown" up many times. Which of the following must NOT
be done to solve the problem and prevent it from happening again?
A. Buy fuse with standard amperage rating.
B. Do not use all appliances simultaneously.
C. Call your barangay electrician to fix your electrical problem.
D. Use jumper wire or cover the blown fuse with available silver paper.
4. Which electrical device shuts down when there is overloading in the circuit?
A. fuse
B. voltage source
C. circuit breaker
D. electrical switch
5. Which electrical device blows​