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:

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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:

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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:

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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:

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5. 

RTDs, strain gauges, and pressure transducers are _____ devices.

A. resistive
B. inductive
C. capacitive
D. solid-state

Answer: Option A

Explanation:

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