Answered: Which of the following explanation is…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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help me in these questions pls write the questions with the and by (Computer)

1-

Which of the following explanation is NOT TRUE?

Recorder will be the most appropriate choice if the measurement event is high speed or transient and cannot be followed by an observer.

There are analogue and digital recorders and indicators.

A measurement system is already complete with just sensor and signal conditioning elements.

Indicators give instant visual indication of the sensed variable.
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2-

What do we need to do to remove 50Hz electromagnetic radiation noise emitted from nearby power line cables to get a clean high frequency signal?

Opto-isolator.

Zener diode.

High pass filter.

Low pass filter.
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3-

Explain the problem of loading when a measurement system is being assembled from a sensor, signal conditioner and display as in figure below?
i. Current in the sensor circuit will increase with the addition of amplifier and display circuit.
ii. Connection of one element to another modifies the characteristics of the preceding element.
iii. If loadings are to be negligible, we need to ensure that Rout>>Rd and Rs>>Rin.
iv. In designing a measurement system, the loading effect for each connected element must be carefully considered.

i, ii and iii only.

All the answers.

i, ii and iv only.

ii, iii and iv only.
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4-

Which of the following is the least probable in explaining the working principles of a mechatronics system?

Sensor is used to provide feedback to a controller.

The desired output is controlled digitally using computer algorithm.

The timing for the next sequence of action is done using cam and follower system.

Microcontroller is used for processing the sensory input.

GVin
Va
Rin
Rout
Rs
Display
Amplifier
Sensor

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Digital Modulation Scheme (Amplitude-Shift Keying [ASK], Phase-Shift Keying [PSK], Frequency-Shift Keying [FSK])

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