Electronics InformationCâu 92 / 120
A fuse protects a circuit by:
a.increasing the voltage
b.storing extra charge
c.reversing the current
d.breaking the circuit when current is too high
Giải thích
A fuse contains a thin wire that melts and breaks the circuit when current exceeds a safe level. This prevents overheating and damage to the rest of the circuit.
Luyện miễn phí toàn bộ 120 câu hỏi — không cần đăng ký.
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