(a)[3]
State and explain which wire contains the switch.
(b(i))[1]
State the name of this type of transformer.
(b(ii))[4]
Describe how this transformer is constructed. You may include a labelled diagram.
Physics 0625 · IGCSE · Electromagnetic effects
Electromagnetic effects — practice question
A student owns a desktop computer that is linked to the 240 V a.c. mains electrical supply. Fig. 9.1 illustrates the desktop computer.