RC Integrator


Questionnair


Q.1     If the RC time constant of an integrator is increased, as the time constant is increased?
A)    The capacitor charges more during a pulse and discharges less between pulses
B)    The capacitor charges less during a pulse and discharges more between pulses
C)    The capacitor charges more during a pulse and discharges more between pulses
D)    The capacitor charges less during a pulse and discharges less between pulses
Ans : D

Q.2    When a 24 V input pulse with a width equal to five time constant is applied to an RC integrator , the capacitor charges to?
A)    24 V
B)    15.12 V
C)    20.64 V
D)    12 V
Ans : A

Q.3    The output of an RC integrator is taken across the?
A)    Diode
B)    Resistor
C)    Capacitor
D)    Source
Ans : C

Q.4     If the capacitor in an integrator becomes leaky?
A)    The time constant will be effectively reduced
B)    The wave shape of the output voltage across C is altered
C)    The amplitude of the output is reduced
D)    All of the above
Ans : D

Q.5    An integrator consists of a 3.3 K resistor and a 2 F capacitor. A single 30 V, 6 ms pulse is applied to the input. How much will the capacitor charge?
A)    10.3 V
B)    30 V
C)    12.09 V
D)    17.91 V
Ans : D

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