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Questions and Answers
What is a transformer?
What is a transformer?
- A device that measures electrical resistance
- A device that stores electrical energy for later use
- A device that transfers electrical energy between two or more circuits through electromagnetic induction (correct)
- A device that converts electrical energy into mechanical energy
What is the primary function of a transformer?
What is the primary function of a transformer?
- To convert electrical energy into thermal energy
- To change the voltage level of an alternating current (correct)
- To amplify radio signals
- To generate direct current from alternating current
In a step-up transformer, the output voltage is ________ the input voltage.
In a step-up transformer, the output voltage is ________ the input voltage.
- Equal to
- Unrelated to
- Less than
- Greater than (correct)
