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:
