This section is part of the HSC Physic syllabus Module 6: Electromagnetism under Electromagnetic Induction. Transformers are used to increase or decrease voltages and currents.
Basic formulae for transformers are the following
 \frac{N_p}{N_s} = \frac{V_p}{V_s} = \frac{I_s}{I_p}Note that current is inversely proportional to the number of turns and voltage.
Learn more about this concept in the video below!
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