Electronic Principles
A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding?

600 V
4.73
0.4 V
None of these
24 V

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Electronic Principles
Current is

The number of free electrons in an atom
The flow of charged particles through a material
None of these
The force that causes electrons to flow
An imbalance of electrical charges

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