Single Answer MCQ
Q-00019379
What happens to a fuse when it experiences a current above its rating?
1
It glows brightly.
2
It melts and breaks the circuit.
3
It increases its resistance.
4
It cools down.
Answer and Solution
Answer
B. It melts and breaks the circuit.
Solution:
A fuse is designed to melt when the current exceeds its rating, effectively breaking the circuit to prevent damage. The other options do not accurately describe the function of a fuse.
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