ExamPlay Light Logo
Registrazione

Physics for IGCSE & O level - Electricity (Section 6 - No. 18)

Which of these can be used as a fire alarm?
A reed switch
A diode
A potential divider
A transformer

Spiegazione

A fire alarm is described as a use for a reed switch.

Commenti (0)

Accedi per commentare
Annuncio
BrainBehindX Inc Logo
©2026; Offerto da BrainBehindX Inc