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4 cards from this section. Quick, good the night before a test.
What is a transformer?
Think about how it affects electricity in homes.
Define a step-up transformer.
Focus on the number of turns in the coils.
What principle do transformers operate on?
Remember what induces voltage in the coils.
A step-up transformer produces higher output voltage compared to input voltage.
Consider the meaning of step-up.
A transformer has 100 turns in the primary coil and 200 turns in the secondary. If the primary voltage is 120V, what is the secondary voltage?
Consider the formula relating turns and voltage.
Explain how reducing the number of turns in the secondary coil of a transformer impacts voltage and current.
Review the transformer’s function in relation to power conservation.
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