WAEC Physics 2024 Objective — Question 8
Question 8 of 50 from the West African Examinations Council (WAEC) Physics 2024 Objective paper, with the correct answer and a full explanation.
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8. The function of a fuse in an electric circuit is to A.
- A. break the circuit when the current exceeds a certain value.Correct
- B. save energy by reducing the voltage.
- C. ensure that the current in the circuit exceeds a certain value.
- D. save energy by reducing the current.
Explanation
The function of a fuse in an electric circuit is to protect the circuit from excessive current flow. It contains a thin wire that melts and breaks the circuit if the current exceeds a safe level, thereby preventing potential damage to circuit components.
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