# Q1: A basic series regulator has

A an error detector
C a reference voltage
D both an error detector and a reference voltage

# Q2: A zero-level detector is a

A comparator with a sine-wave output
B comparator with a trip point referenced to zero
C peak detector
D limiter

A
Acl < 3
B
Acl > 3
C 0
D
Acl 1

# Q4: In an averaging amplifier, the input resistances are

A equal to the feedback resistance
B less than the feedback resistance
C greater than the feedback resistance
D unequal

# Q5: If the input to a comparator is a sine wave, the output is a

A ramp voltage
B sine wave
C rectangular wave
D sawtooth wave

A differentiator
B amplifier
C integrator
D multivibrator

# Q8:The formula shows that for a given capacitor, if the voltage changes at a constant rate with respect to time, the current will

A increase
B decrease
C be constant
D decrease logarithmically

# Q9: A digital-to-analog converter is an application of the

B voltage-to-current converter
C noninverting amplifier

# Q10: The ramp voltage at the output of an op-amp integrator

A increases or decreases at a linear rate
B increases or decreases exponentially
C is always increasing and never decreasing
D is constant

# Q11: The center frequency of a band-pass filter is always equal to the

A bandwidth
B –3 dB frequency
C
bandwidth divided by Q
D geometric average of the critical frequencies

# Q12: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

A the average of the individual inputs
B the inverted sum of the individual inputs
C the sum of the individual inputs
D the inverted average of the individual inputs

# Q13: A comparator is an example of a(n)

A active filter
B current source
C linear circuit
D nonlinear circuit

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