C201 Electrical Systems 04 Inductance And
Capacitance Questions And Answers
/. What is inductance is measured in? - Answer-Henrys
/.What is capacitance measured in? - Answer-Farads
/.What affects a DC circuit only when the current is first turned on, turned off, or when
there is a change in the load resistance? - Answer-Inductance
/.What is a time-delay relay that uses an RC timing circuit called? - Answer-Solid-state,
time-delay relay
/.Are any of the following three capacitors?
Electrolytic,
Nonpolarized, and
Variable. - Answer-Electrolytic, Nonpolarized, and Variable.
/.What is a common inductor within a fluorescent light fixture? - Answer-Ballast
/.The apparent resistance to AC by a capacitor is what? - Answer-Capacitive reactance
/.Which three of the four are an example of an electromagnetic device?
Solenoid,
Relay,
Resistor,
Motor. - Answer-Solenoid, Relay, and Motor
/.A coil that opposes any change in current flow is called? - Answer-Inductor
/.What is the name of the concept of a magnetic field being formed around a conductor
when current flows through it? - Answer-electromagnetism
/.The energy stored by a capacitor is called what? - Answer-electrostatic charge
/.The resistance provided by an inductor in an AC circuit is called what? - Answer-
inductive reactance
/.What is the formula for calculating total series inductance? - Answer-Lt = L1 + L2 + L3
/.What is the formula for total series capacitive reactance formula? - Answer-XCt = XC1
+ XC2 + XC3
Capacitance Questions And Answers
/. What is inductance is measured in? - Answer-Henrys
/.What is capacitance measured in? - Answer-Farads
/.What affects a DC circuit only when the current is first turned on, turned off, or when
there is a change in the load resistance? - Answer-Inductance
/.What is a time-delay relay that uses an RC timing circuit called? - Answer-Solid-state,
time-delay relay
/.Are any of the following three capacitors?
Electrolytic,
Nonpolarized, and
Variable. - Answer-Electrolytic, Nonpolarized, and Variable.
/.What is a common inductor within a fluorescent light fixture? - Answer-Ballast
/.The apparent resistance to AC by a capacitor is what? - Answer-Capacitive reactance
/.Which three of the four are an example of an electromagnetic device?
Solenoid,
Relay,
Resistor,
Motor. - Answer-Solenoid, Relay, and Motor
/.A coil that opposes any change in current flow is called? - Answer-Inductor
/.What is the name of the concept of a magnetic field being formed around a conductor
when current flows through it? - Answer-electromagnetism
/.The energy stored by a capacitor is called what? - Answer-electrostatic charge
/.The resistance provided by an inductor in an AC circuit is called what? - Answer-
inductive reactance
/.What is the formula for calculating total series inductance? - Answer-Lt = L1 + L2 + L3
/.What is the formula for total series capacitive reactance formula? - Answer-XCt = XC1
+ XC2 + XC3
