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3 cards from this section. Quick, good the night before a test.
What does a step-up transformer do?
Think about its name, what does 'step-up' imply?
In which situation would you find a step-down transformer?
Where do we use electrical devices safely?
What is the primary function of a step-up transformer?
Think about its effect on electrical energy.
Step-down transformers have more turns in which coil?
Consider what 'step-down' means about voltage levels.
A transformer has a turns ratio of 4:1. If the input voltage is 100V, what is the output voltage?
Use the turns ratio to calculate the output.
Describe the energy efficiency advantages of using step-up transformers in power transmission systems.
Consider how energy loss relates to current flow.
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