(a(i))[3]
Describe how an alternating current is produced in the secondary coil.
(a(ii))[2]
Calculate the p.d. across the secondary coil.
(b)[2]
Calculate the current in the cable.
(c)[2]
State two advantages of high-voltage transmission.
Physics 0625 · IGCSE · Electromagnetic effects
Electromagnetic effects — practice question
Fig. 9.1 shows a transformer. The labelled components are: soft-iron core, primary coil, secondary coil.
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