Q.1

The control element in a basic shunt voltage regulator is a zener diode.

  • True
  • False
Q.2

If the value of resistor Rf in an averaging amplifier circuit is equal to the value of one input resistor divided by the number of inputs, the output will be equal to

  • the average of the individual inputs
  • the inverted sum of the individual inputs
  • the sum of the individual inputs
  • the inverted average of the individual inputs
Q.3

A two-pole active filter produces a roll-off rate of –20 dB/decade.

  • True
  • False
Q.4

A zero-level detector is a type of comparator circuit.

  • True
  • False
Q.5

The output voltage of a summing amplifier is proportional to the product of the input voltages.

  • True
  • False
Q.6

The reference voltage for the comparator in the given circuit equals ______.

  • 0 V
  • +8.8 V
  • +16 V
  • +7.2 V
Q.7

The reference voltage for the comparator in the given circuit equals ______.

  • 0 V
  • +8.8 V
  • +16 V
  • +7.2 V
Q.8

In an averaging amplifier, the input resistances are

  • equal to the feedback resistance
  • less than the feedback resistance
  • greater than the feedback resistance
  • unequal
Q.9

When used as a comparator, an op-amp is wired in a closed-loop configuration.

  • True
  • False
Q.10

The reference voltage for the comparator in the given circuit equals ______.

  • 0 V
  • +8.8 V
  • +16 V
  • +7.2 V
Q.11

The critical frequency for the active filter in the given circuit is approximately _______.

  • 20.1 kHz
  • 89.3 kHz
  • 14.2 kHz
  • 179 kHz
Q.12

The critical frequency for the active filter in the given circuit is approximately _______.

  • 20.1 kHz
  • 89.3 kHz
  • 14.2 kHz
  • 179 kHz
Q.13

If the value of resistor Rf in an averaging amplifier circuit is equal to the value of one input resistor divided by the number of inputs, the output will be equal to

  • the average of the individual inputs
  • the inverted sum of the individual inputs
  • the sum of the individual inputs
  • the inverted average of the individual inputs
Q.14

The reference voltage for the comparator in the given circuit equals ______.

  • 0 V
  • +8.8 V
  • +16 V
  • +7.2 V
Q.15

In an averaging amplifier, the input resistances are

  • equal to the feedback resistance
  • less than the feedback resistance
  • greater than the feedback resistance
  • unequal
0 h : 0 m : 1 s