Physics › Alternating Currents and Transformers Mind Map 1/2 Image 1 of 1 Alternating Currents and Transformers Mind Map 1/2 £1.50 Mains Electricity, Alternating Current and Voltage, Comparing AC and DC Equivalents, Using an Oscilloscope, Transformers Add To Cart Added! Mains Electricity, Alternating Current and Voltage, Comparing AC and DC Equivalents, Using an Oscilloscope, Transformers