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Electronics - Transformers

Exercise : Transformers - Filling the Blanks
6.
___ occurs in a transformer when some of the primary flux lines pass through the air instead of the core.
Hysteresis loss
Magnetic flux leakage
Winding resistance
Winding capacitance
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
A step-up transformer will ___ to the secondary.
increase the current
increase the voltage
increase the power
decrease the voltage
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.

The voltage V2 is _____ in the given circuit.

36.7 V
73.3 V
110 V
220 V


Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
___ is the concept of one coil inducing a voltage into another coil.
Electrical isolation
Self-inductance
Mutual inductance
Coefficient of coupling
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
A(n) _____ transformer is usually used for audio or power applications.
iron-core
air-core
ferrite-core
All of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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