AC Circuit Exam 1 Questions with Certified Answers
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AC Circuit
Institution
AC Circuit
AC Circuit Exam 1 Questions with Certified Answers
Mutual Inductance - Answer-Anytime flux lines cut across a conductor they generate a voltage even though there is no electrical connection between the two.
Choke - Answer-An inductor used to impede, or impose, the changes of pulsating direct c...
AC Circuit Exam 1 Questions with
Certified Answers
Mutual Inductance - Answer-Anytime flux lines cut across a conductor they generate a
voltage even though there is no electrical connection between the two.
Choke - Answer-An inductor used to impede, or impose, the changes of pulsating direct
current.
Transformer - Answer-An electrical component used to change the voltage and current
in an alternating current circuit.
Lenz's law - Answer-The current induced in a conductor cur by the lines of magnetic flux
flows in the direction opposite to that of the current which produced the lines of flux.
Capacitance - Answer-The amount of electrical charge that can be stored in a capacitor
under a given amount of electrical pressure.
Capacitance Reactance - Answer-Opposition to the flow of alternating current caused
by capacitance in the circuit.
Farad - Answer-The basic unit of capacitance. One capacitance is the amount of
capacitance that allows a charge of one coulomb to be stored under a pressure of one
volt.
Time Constant - Answer-The amount of time measured in seconds, needed for the
voltage across a capacitor to rise to 63.2% of the voltage applied to the circuit.
Dielectric - Answer-An insulating material that can store electrical energy in an
electrostatic field.
Electrolytic Capacitor - Answer-A capacitor that uses metal foil for the electrodes and an
extremely thin film of metallic oxide. A non conductor as the dielectric.
Impedance - Answer-The total opposition to the flow of alternating current caused by
the combined effect of resistance, capacitance and inductance in a circuit.
Coulumb - Answer-A unit of electrical charge charge equal to 6.28 Billion electrons.
Resonance - Answer-The condition an electrical circuit in which the inductive reactance
and the capacitive reactance are equal.
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