Which of the following materials does not serve as a safety device in electrical circuits?

Assessment: WAEC SSCE - Physics - 2019 (Objective) Subject: Physics

Question 1 Report

Which of the following materials does not serve as a safety device in electrical circuits? 
 

Answer Details
Connecting wires, earth wires, and fuses serve as safety devices in electrical circuits, while switches are not safety devices but rather control devices that allow the flow of current to be turned on or off. Therefore, the correct answer is switch.
Read lesson note on Capacitors (JAMB)
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