Instruction: Read and analyze each statement carefully. Choose the BEST answerand write only the letter of your answer on your answer sheet
10. Which of the following safety devices that interrupts the current after a fault is detected?
a. Circuit breaker
b. Earthing
c. Fuses
d. double insulation
11. Which of the following statements that describes the main function of fuse?
a. It's essential component is a metal wire or strip that melts when too much current flows through it.
b. It is automatically opens to interrupt circuit current in the event of an over current condition.
c. It protects the user of the appliance from an electrical shock by preventing any possibility of the external casing becoming live.
d. It provides a path for fault current to flow to earth.
