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Electronics - Inductors

Exercise : Inductors - General Questions
11.
On a schematic, dashed lines between two vertical coils usually mean the transformer has:
an air core
an iron core
a nonmetallic core
a ferrite core
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
Faraday's law states that the:
direction of the induced voltage produces an opposition
direction of an induced current produces an aiding effect
emf depends on the rate of cutting flux
emf is related to the direction of the current
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
A henry value divided by a circuit resistive value provides the:
counter emf value
induced voltage amplitude
rise or decay time constant
quality factor of the coil
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
What does Faraday's law concern?
a magnetic field in a coil
a magnetic field cutting a conductor
a magnetic field hystersis
a magnetic field in a conductor
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
The polarity of induced voltage while a field is collapsing is:
independent of the force creating it
opposite to the force creating it
identical to the force creating the field
present only if the force is stationary
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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