Avionics Quiz 2 Questions with Correct Answers Verified by Experts| Latest Update
because electrolytic capacitors are _________, they cannot be used in _______ circuits
polarized, AC
ceramic disk capacitors are ______________ not polarized
capacitors start accumulating charge when there is a change in ___________ between two
ends voltage aka potential
equation for accumulated charge (q) q=CV
q = ∫ I dt
units of capacitance Farad = Coulomb/Volt
if the voltage is not changing, the current through a capacitor is zero
voltage across a capacitor (1/C) ∫ I dt
time constant (tau) = time to reach _________ of final value 63.2%
after 2*tau, voltage will be about __________ of final value 86.5%
equation for voltage across a capacitor in an RC circuit Vc = Vs(1-e^(-t/RC))
equation for time constant in an RC circuit τ = RC
consider the general equation
, Vc = Vs(1-e^(-at))
what is the equation for time constant τ = 1/a
transient circuit voltage changes over time before settling (dynamic response)
when time=0 (first turn on circuit), a capacitor acts like a wire
allows all current through
causal systems output follows input
equation for Vc(s) aka voltage across a capacitor in Laplace domain Vc(s) = (1/Cs)I(s)
visual transient response of voltage across capacitor start at zero, end at final value V
visual transient response of current through capacitor start at max current (Vs/R in RC
circruit), end at 0
as time approaches infinite, current approaches _____, meaning the capacitor becomes an
_____ ________ zero, open circuit
inductors store energy in the form of a ____________ ______ magnetic field
a ________ ________ creates a magnetic field when ________________ wire coil, current
flows through it
Faraday's law of induction current flowing through a wire coil creates a magnetic field
because electrolytic capacitors are _________, they cannot be used in _______ circuits
polarized, AC
ceramic disk capacitors are ______________ not polarized
capacitors start accumulating charge when there is a change in ___________ between two
ends voltage aka potential
equation for accumulated charge (q) q=CV
q = ∫ I dt
units of capacitance Farad = Coulomb/Volt
if the voltage is not changing, the current through a capacitor is zero
voltage across a capacitor (1/C) ∫ I dt
time constant (tau) = time to reach _________ of final value 63.2%
after 2*tau, voltage will be about __________ of final value 86.5%
equation for voltage across a capacitor in an RC circuit Vc = Vs(1-e^(-t/RC))
equation for time constant in an RC circuit τ = RC
consider the general equation
, Vc = Vs(1-e^(-at))
what is the equation for time constant τ = 1/a
transient circuit voltage changes over time before settling (dynamic response)
when time=0 (first turn on circuit), a capacitor acts like a wire
allows all current through
causal systems output follows input
equation for Vc(s) aka voltage across a capacitor in Laplace domain Vc(s) = (1/Cs)I(s)
visual transient response of voltage across capacitor start at zero, end at final value V
visual transient response of current through capacitor start at max current (Vs/R in RC
circruit), end at 0
as time approaches infinite, current approaches _____, meaning the capacitor becomes an
_____ ________ zero, open circuit
inductors store energy in the form of a ____________ ______ magnetic field
a ________ ________ creates a magnetic field when ________________ wire coil, current
flows through it
Faraday's law of induction current flowing through a wire coil creates a magnetic field
