What is a transformer?, A device that produces light, A device that increases or decreases voltage, What type of current is needed for a transformer to work?, Direct Current (DC), Alternating Current (AC), What is the name of the coil connected to the input voltage?, Secondary coil, Primary coil, What material is used as the core of a transformer?, Plastic, Soft iron, In a step-up transformer, which coil has more turns?, Secondary coil, Primary coil, In a step-up transformer, the secondary coil has ______ turns than the primary coil., more, fewer, Which transformer is used in a phone charger?, Step-up transformer, B. Step-down transformer, Which transformer is used at power stations before electricity is transmitted over long distances?, Step-down transformer, B. Step-up transformer, A television uses a ______., Transformer, B. Microscope, Which coil is connected to the power source?, Secondary coil, B. Primary coil, Which appliance usually uses a step-down transformer?, Phone charger, B. Transmission cable, Electricity from a power station is sent through a _____ transformer, Step-down, B. Step-up

6.2 TRANSFORMER

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