Inductance and Capacitance Test Questions with Verified
Answers Rated A
__________ affects a DC circuit only when the C. transducer
current is first turned on, turned off, or when there is D. oscillator - ANSWER -A. inductor
a change in the load resistance.
A. capacitance
B. Inductance The concept of a magnetic field formed around a
C. A time delay conductor when current flows through it is called
D. A relay - ANSWER -B. inductance __________.
A. capacitance
B. electromagnetism
Which of the following is not an example of an C. flux
electromagnetic device? D. All of the above
A. Solenoid E. None of the above - ANSWER -B.
B. Relay electromagnetism
C. Resistor
D. Motor - ANSWER -C. Resistor
Which of the following is the total series capacitive
reactance formula?
The resistance provided by an inductor in an AC A. XCT = XC1 x XC2 x XC3...
circuit is called __________. B. XCT = XC1 - XC2 - XC3...
A. Induced resistance C. XCT = XC1 + XC2 + XC3...
B. Inductive reactance D. XCT = 1/[(1/XC1) + (1/XC2) + (1/XC3)...] -
C. Electromotive force ANSWER -C. XCT = XC1 + XC2 + XC3...
D. All of the above
E. None of the above - ANSWER -B. inductive
reactance The apparent resistance to AC by a capacitor is
called __________.
A. frequency
Inductance is measured in __________. B. capacitive reactance
A. Ohms C. passive capacitance
B. Farads D. filtering - ANSWER -B. capacitive reactance
C. henrys
D. RPMs - ANSWER -C. henrys
A common inductor found in fluorescent light fixtures
is a __________.
In a power supply that converts an AC input to A. starter
generate a DC output, a capacitor is commonly used B. cathode
to __________. C. ballast
A. block the current flow D. switcher - ANSWER -C. ballast
B. increase the current flow
C. filter the rectifier's pulsating DC output
D. decrease the voltage - ANSWER -C. filter A time-delay relay that uses an RC timing circuit is
the rectifier's pulsating DC output called a(n) ________.
A. solid-state, time-delay relay
B. adjustable relay
A coil that opposes any change in current flow is C. dashpot time-delay relay
called a(n) __________. D. motor-driven, time delay relay - ANSWER -A.
A. inductor solid-state, time-delay relay
B. Capacitor
1/2
Answers Rated A
__________ affects a DC circuit only when the C. transducer
current is first turned on, turned off, or when there is D. oscillator - ANSWER -A. inductor
a change in the load resistance.
A. capacitance
B. Inductance The concept of a magnetic field formed around a
C. A time delay conductor when current flows through it is called
D. A relay - ANSWER -B. inductance __________.
A. capacitance
B. electromagnetism
Which of the following is not an example of an C. flux
electromagnetic device? D. All of the above
A. Solenoid E. None of the above - ANSWER -B.
B. Relay electromagnetism
C. Resistor
D. Motor - ANSWER -C. Resistor
Which of the following is the total series capacitive
reactance formula?
The resistance provided by an inductor in an AC A. XCT = XC1 x XC2 x XC3...
circuit is called __________. B. XCT = XC1 - XC2 - XC3...
A. Induced resistance C. XCT = XC1 + XC2 + XC3...
B. Inductive reactance D. XCT = 1/[(1/XC1) + (1/XC2) + (1/XC3)...] -
C. Electromotive force ANSWER -C. XCT = XC1 + XC2 + XC3...
D. All of the above
E. None of the above - ANSWER -B. inductive
reactance The apparent resistance to AC by a capacitor is
called __________.
A. frequency
Inductance is measured in __________. B. capacitive reactance
A. Ohms C. passive capacitance
B. Farads D. filtering - ANSWER -B. capacitive reactance
C. henrys
D. RPMs - ANSWER -C. henrys
A common inductor found in fluorescent light fixtures
is a __________.
In a power supply that converts an AC input to A. starter
generate a DC output, a capacitor is commonly used B. cathode
to __________. C. ballast
A. block the current flow D. switcher - ANSWER -C. ballast
B. increase the current flow
C. filter the rectifier's pulsating DC output
D. decrease the voltage - ANSWER -C. filter A time-delay relay that uses an RC timing circuit is
the rectifier's pulsating DC output called a(n) ________.
A. solid-state, time-delay relay
B. adjustable relay
A coil that opposes any change in current flow is C. dashpot time-delay relay
called a(n) __________. D. motor-driven, time delay relay - ANSWER -A.
A. inductor solid-state, time-delay relay
B. Capacitor
1/2
