A lamp is to be placed in a circuit so that the potential difference (p.d.) across it may be changed from $0$ to $6\text{ V}$. Which circuit would be the most suitable?
Physics 0625 · IGCSE · Electric circuits
A lamp is to be placed in a circuit so that the potential difference (p.d.) across it may be changed from $0$ to $6\text{ V}$. Which circuit would be the most suitable?