To summarize: Steps involved when a transformer changes the voltage of an alternating current.
Explanation of Solution
Introduction:
A transformer is a device used to increase or decrease voltage of the current applied.
The steps involved when a transformer changes the voltage of an alternating current are as follows:
- Alternating current is passed through primary coil.
- As current passes through the coil, it acquires a magnetic field. The iron core gets magnetized due to this magnetic field.
- Since alternating current changes direction at regular intervals, the direction of magnetic field in the iron core changes due to the change in direction of the current.
- An alternating current is produced in the secondary coil due to changing magnetic field.
- The current at the input and output alternate at the same frequency.
Conclusion:
A transformer either increases or decreases voltage based upon the number of turns in the primary and secondary coil.
Chapter 7 Solutions
Glencoe Physical Science 2012 Student Edition (Glencoe Science) (McGraw-Hill Education)
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