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Transformers
For mutual inductance to occur, the two coils must be at right angles to each other.
True
False
Correct Answer:
False
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Transformers
A transformer turns ratio of ________ will be needed to match an output impedance of 5 kΩ to an 8 Ω speaker.
___ is the concept of one coil inducing a voltage into another coil.
The secondary current is _____ in the given circuit.
A step-up transformer will ___ to the secondary.
___ occurs in a transformer when some of the primary flux lines pass through the air instead of the core.
Making the load resistance appear the same as the source's internal resistance is called _____.
The reflected resistance is ___ as seen by the source in the given circu.
To ensure a high coefficient of coupling, all fixed transformers are usually wound on a(n) _____________.
A(n) _____ transformer is usually used for audio or power applications.
The voltage V2 is _____ in the given circuit.
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