10. A common-control device in a telephoneexchange is required to commence operationwithin an average period of 10 millisecondsafter receiving a calling signal.(a) If the device is held, on average for50 milliseconds per call, how many callscan it handle per hour?(b) If the device is required to handle 18 000calls per hour, what is the maximumpermissible average holding time?

Answered: Image /qna-images/answer/c3ff2b42-75a1-4a01-b233-37687e9e01a0.jpg

Answered: 10. A common-control device in a…

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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Question 13
I have a wooden toy train that runs on wooden tracks. I would like to place two ESP-WROOM-32 Boards on top of the train. Broadcast communication (which involves radio frequency, not Wi-Fi) would help communicate about the train's lateness to five other wooden trains on the same track. Local communication would help communicate to the train station about the train's lateness. I would also need radio frequency Tx-Rx Modules for discharging and undergoing the signal, and repeaters just in case the signal loses power due to long-distance traveling. My wooden train should be automated. It should run at 4 inches per second, keep a minimum distance of 30 seconds away from the other wooden trains, and make a 17-second-long stop every 500 seconds. What's the procedure to connect the components? What's the Arduino code (C++) for this project?
Is it required to use a PMMC instrument in an Instrument transformer based measurement system? a. No, not required b. Yes,required c. Can't be said d. It is optional
PWM is the method that; 1. Sends an encrypted message. 2. Brakes a motor. 3. Creates an equivalent analog effect from digital pulses. 4. Creates an equivalent digital effect from analog pulses. 5. Runs a motor in forward and backward.
what are the two techniques for circuit switching? D) what is the cause of the propagation delay?
According to the book the answers are:(a)12000 calls per hour (b) 40 ms.
1) Power for the field devices typically comes from ________.A) The PLC power supply B) Isolated factory floor voltage sourcesC) The PLC I/O module D) None of the above1)2) The output of a TON timer is true whenA) its input (IN) is true and the elapsed time (ET) is less than the preset time (PT)B) its input (IN) is false and the elapsed time (ET) exceeds the preset time (PT)C) its input (IN) is false and the elapsed time (ET) is less than the preset time (PT)D) its input (IN) is true and the elapsed time (ET) exceeds the preset time (PT)2)3) Convert 8B3F16 to binary.A) 1011001111100011 B) 011010C) 35647 D) 10001011001111113)4) The memory size of a double word (DWord or MD) is ________.A) Eight bits B) Four bytes C) Sixteen bits D) Eight bytes4)5) PLCs are ________ designed for use in the control of a wide variety of manufacturing machines andsystems.A) personal computers B) electromechanical systemsC) special-purpose industrial computers D) All of the above5)6) Convert…
the following blanks with a word or phrase: wires in a measurement circuit and a nearby mains-carrying conductor. w interferenc us source also known as electrostatic coupling, can occur between the signal s and wires in a measurement circuit and a nearby mains-carrying conductor. rom 2A type of optical sensors that can detect the presence of objects within its vicinity without any actual physical contact is called 3. A Sensa-is a device that measures a physical quantity and converts it into a signal which can be read by an observer er by an instrument. 4. The photons hitting the photovoltaic cell pass through the and are absorbed by electrons in the Hin p-doped upper layer S. The ability of an op amp to suppress common-mode signals is expressed in terms of its 6. The --- noise arises from fluctuations in the number of charge carriers. 7. The information in much the same way as the mind. - instrument are computing, manipulating, and processing 8. In variable capacitance transducer used…
I need a concise solution to the multiple-choice problem, explained clearly.
TRUE OR FALSE? Prior period error are corrected current and prospectively.
How does the BMS system in EVs work?
18. One of the major functions of transfer switches and equipment is to ... a. prevent the dangerous interconnection of two electrical systems that are not intended to be operated in parallel b. provide a means of protecting the supply load from an over current condition C. allows for the ability to have the alternate electrical systems back feed during normal operation d. allows for the ability to have both the normal and alternate electrical systems connected during normal operation

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