Physics 0625 · IGCSE · Electric circuits

Electric circuits — practice question

What does a relay do?

Ato change a large voltage into a small voltage
Bto change a small voltage into a large voltage
Cto use a large current to switch on a small current
Dto use a small current to switch on a large current

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

Full mark scheme, point by point
Step-by-step worked solution
Write your answer & get it marked instantly by AI