Question 1 of 10
What is the unit of inductance?
Inductance is measured in Henrys (H).
Question 2 of 10
What is the formula for the voltage across an inductor?
The voltage across an inductor is directly proportional to the rate of change of current through it, and the constant of proportionality is the inductance (L).
Question 3 of 10
What is inductive reactance?
Inductive reactance is the opposition an inductor presents to the flow of alternating current.
Question 4 of 10
What is the formula for inductive reactance (XL)?
Inductive reactance is calculated as XL = 2 * pi * f * L, where f is the frequency and L is the inductance.
Question 5 of 10
What is the quality factor (Q) of an inductor?
The quality factor (Q) is the ratio of inductive reactance (XL) to equivalent series resistance (ESR).
Question 6 of 10
What does a high quality factor (Q) indicate?
A high Q indicates a more efficient inductor, with lower losses.
Question 7 of 10
What is the formula for energy stored in an inductor (E)?
The energy stored in an inductor is given by E = 0.5 * L * i^2, where L is inductance and i is current.
Question 8 of 10
What is the time constant (?) of an RL circuit?
The time constant of an RL circuit is ? = L / R.
Question 9 of 10
During the charging phase, approximately how long does it take for an inductor to fully charge?
An inductor takes approximately 5 time constants to fully charge or discharge.
Question 10 of 10
In the formula for the energy stored in an inductor, what does 'i' represent?
'i' represents the current flowing through the inductor in the energy formula.
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