Electronics - Inductors

Exercise : Inductors - General Questions
41.
Reactance in an inductive circuit will:
increase with frequency
decrease with frequency
be independent from frequency
depend on the value of XC
Answer: Option
Explanation:
No answer description is available. Let's discuss.

42.
A turns ratio of 5 for a transformer implies:
more primary turns than secondary turns
more secondary current than primary current
larger source impedance than load impedance
more secondary turns than primary turns
Answer: Option
Explanation:
No answer description is available. Let's discuss.

43.
A practical inductor
has inductance
has winding resistance
has winding capacitance
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

44.
When current in an inductor starts to change, it cannot react instantly due to:
fixed coil resistance
eddy current generation
applied emf of the circuit
the counter emf of the coil
Answer: Option
Explanation:
No answer description is available. Let's discuss.

45.
What is the approximate time for a complete decay of 400 mA of inductor current, when R = 10 ohms and L = 20 H?
10 seconds
8 seconds
4 seconds
2 seconds
Answer: Option
Explanation:
No answer description is available. Let's discuss.