ASM 420 EXAM QUESTIONS AND
ANSWERS
Switches in circuits are normally connected in series with the loads they control, T or F?
- ANSWER-T
The current flowing through the parallel combination is the sum of the current in the
separate branches (Kirchoff's Current Law), T or F? - ANSWER-T
Capacitors are energy storage devices, T or F? - ANSWER-T
A capacitor absorbs energy when connected to a load, T or F? - ANSWER-F (actually
discharges)
In a circuit with two capacitors in parallel, total capacitance. C_T=_______- - ANSWER-
C_1+C_2
With capacitors, the voltage lags the current, T or F? - ANSWER-T
RLC circuits have resistive, capacitive, and inductive loads, T or F? - ANSWER-T
For capacitors, the amount of opposition to current flow is called ____. - ANSWER-
capacitive reactance
The unit of capacitance is the_____. - ANSWER-Farad
In RLC circuits, the total resistance of all the R, L, and C loads is called the total
impedance, T or F? - ANSWER-T
Capacitors store voltage, T or F? - ANSWER-F
An inductive load in a circuit will reduce its power factor, T or F? - ANSWER-T
The property causing opposition to changes in current is called ____. - ANSWER-
Inductance
The unit of inductance is _____. - ANSWER-Henries
An AC current in a conductor produces a ______. - ANSWER-Magnetic field
A coil is an inductor, T or F? - ANSWER-T
Both a coil and a conductor conduct current, T or F? - ANSWER-T
ANSWERS
Switches in circuits are normally connected in series with the loads they control, T or F?
- ANSWER-T
The current flowing through the parallel combination is the sum of the current in the
separate branches (Kirchoff's Current Law), T or F? - ANSWER-T
Capacitors are energy storage devices, T or F? - ANSWER-T
A capacitor absorbs energy when connected to a load, T or F? - ANSWER-F (actually
discharges)
In a circuit with two capacitors in parallel, total capacitance. C_T=_______- - ANSWER-
C_1+C_2
With capacitors, the voltage lags the current, T or F? - ANSWER-T
RLC circuits have resistive, capacitive, and inductive loads, T or F? - ANSWER-T
For capacitors, the amount of opposition to current flow is called ____. - ANSWER-
capacitive reactance
The unit of capacitance is the_____. - ANSWER-Farad
In RLC circuits, the total resistance of all the R, L, and C loads is called the total
impedance, T or F? - ANSWER-T
Capacitors store voltage, T or F? - ANSWER-F
An inductive load in a circuit will reduce its power factor, T or F? - ANSWER-T
The property causing opposition to changes in current is called ____. - ANSWER-
Inductance
The unit of inductance is _____. - ANSWER-Henries
An AC current in a conductor produces a ______. - ANSWER-Magnetic field
A coil is an inductor, T or F? - ANSWER-T
Both a coil and a conductor conduct current, T or F? - ANSWER-T