15.48: Transformers (Q15.6.10)
- Page ID
- 51535
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A transformer is used to supply a 12-V model train with power from a 110-V wall plug. The train operates at 50 W of power.
- What is the rms current in the secondary coil of the transformer?
- What is the rms current in the primary coil?
- What is the ratio of the number of primary to secondary turns?
- What is the resistance of the train?
- What is the resistance seen by the 110-V source?
Text Question
A transformer is used to supply a 12-V model train with power from a 110-V wall plug. The train operates at 50 W of power.
- What is the rms current in the secondary coil of the transformer?
- What is the rms current in the primary coil?
- What is the ratio of the number of primary to secondary turns?
- What is the resistance of the train?
- What is the resistance seen by the 110-V source?
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