ExamPlay Dark Logo
Přihlaste se

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

Vysvětlení

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

Komentáře (0)

Inzerát