29. Why is a short circuit dangerous? A. It has a high voltage. B. The sudden rush of current creates too much heat that can cause fire. C. It has its own loop. D. Electricity does not cause fire.
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29. Why is a short circuit dangerous? A. It has a high voltage. B. The sudden rush of current creates too much heat that can cause fire. C. It has its own loop. D. Electricity does not cause fire.
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Answer:
B
Explanation:
It is accidental and can be due to clumsiness or an equipment defect. The short circuit is dangerous because when a short circuit occurs, the resistance of a circuit drops almost zero ohms. This increases the current quickly and heats the conductors or equipment.