a primary potential difference drives an alternating current through the primary coil the primary coil current produces a magnetic field, which changes as the current changes the iron core ...
The induced voltage causes an alternating current to flow. Transformers can only work with alternating current. Input and output voltages and currents are both alternating (a.c.) Mains voltage is ...
Section A, Section B, Section C, Section D and Section E. The exam will be held for 70 marks and students will get three ...
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