Physics · Electrical Components
Which of the following sets of components constitutes a standard automatic fire alarm system?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Heaters, pumps, bells, fans
- 2Smoke and heat detectors, bells, alarm panels, batteries✓
- 3Switch, socket, heat sensor, fuse
- 4Bell, fan, pump, lamp, heater
Correct answer
Smoke and heat detectors, bells, alarm panels, batteries
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