Electronics - Measurement, Conversion and Control
Exercise :: Measurement, Conversion and Control - Filling the Blanks
1.
All triacs operate in __________.
A.
quadrant 1 and quadrant 2 B.
quadrant 1 and quadrant 3 C.
quadrant 2 and quadrant 4 D.
quadrant 3 and quadrant 4
Answer: Option B
Explanation:
2.
The number of bits in a digital word determines the number of digital combinations that will be represented. The number of combinations can be calculated by ________.
A.
raising 2 to the number of bits in the analog word B.
raising 2 to the number of bits in the digital word C.
multiplying 2 by the number of bits in the analog word D.
determining the range of the analog word
Answer: Option B
Explanation:
3.
A(n) _____ can be rapidly switched on and off remotely by another controlling circuit.
A.
triac B.
diac C.
RTD D.
zero-voltage switch
Answer: Option A
Explanation:
4.
A sample-and-hold circuit consists of _________.
A.
an op-amp, an analog switch, and an inductor B.
an op-amp, an analog switch, and a capacitor C.
two op-amps, an analog switch, and a variable resistor D.
two op-amps, an analog switch, and a capacitor
Answer: Option D
Explanation:
5.
RTDs, strain gauges, and pressure transducers are _____ devices.
A.
resistive B.
inductive C.
capacitive D.
solid-state
Answer: Option A
Explanation: