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Electric fencing was invented by who?

The electric fence was first developed in New Zealand between 1936 and 1937. The original patent application was submitted by the inventor Bill Gallagher.


What is the effect of stray capacitance in a circuit?

stray capacitance(one that develops between wires ,conductors within the circuit) is obviously not useful as it alters the effective values of circuit components when developed in the oscillators and hence it destabilize the frequency of oscillations Engr.syed mudassir hussain


Difference between IEEE 802.3 AND 802.4?

IEEE 802.3 is the standard for Ethernet LAN. It is a collection of IEEE standards for physical layer and Data link layer's MAC sublayer. According to these standards, the Ethernet LAN card works. IEEE 802.4 is a Token Bus standard which was standardised by IEEE. It grants the Bus physical topology to use token messages to access physical layer.


What is the difference between the AM modulation and ASK modulation?

This is hard to explain. AM means amplitude modulation, while ASK is amplitude-shift keying. AM is usually analog as it is modulated based on the strength of the signal, though you can use it to send a digital signal. ASK represents digital data as variations in the amplitude of a carrier wave. Any digital modulation technique will represent the data using a finite number of different signals. While AM is used mostly for radio and television, ASK is used for telegraph signals, transmission across telecommunications equipment, and fiber optics.


What is the difference between detector and diode detector?

difference between detector and diode

Related Questions

Who invented the railroad Telegraph?

The railroad telegraph was developed in the early 19th century, with significant contributions from several inventors. Notably, Samuel Morse and Alfred Vail are credited with creating the Morse code and developing the telegraph system that was widely adopted for railroads. The first commercial telegraph line was established in 1844, facilitating communication between train stations and improving railway safety and efficiency.


How was the telegraph invited?

The telegraph was invented by Samuel Morse in the 1830s. Morse developed the system of dots and dashes known as Morse code to transmit messages over long distances using electrical signals sent along telegraph wires. The first telegraph line in the United States was completed in 1844 between Washington D.C. and Baltimore.


What new technologies and industries appeared between 1850 and 1900 and how did they affect the world economy?

Canals(Suez, Panama); Railroads;Botany; and the Telegraph


What is the difference between the telegrah and the telephone?

The telegraph is a communication device that transmits messages using electrical signals over wires, while the telephone is a device that transmits voice conversations over wires or wirelessly. The key difference is that the telegraph communicates using coded messages, while the telephone allows for real-time spoken conversations.


What is the difference between a telegraph and an electrochemical telegraph?

A telegraph is a device for sending messages ("graph") over a distance ("tele"). Smoke signals sent by Native Americans qualify under this definition. So does the use of flags or signal fires. An electrochemical telegraph suggests that an electrochemical device, like an electrochemical cell or set of cells -- a battery -- is used to power up a system that transmits those messages. By making and breaking an electrical circuit with a telegraph key, a solenoid on the other end can be made to "click" and be heard. All that is required is a system of "code" to transmit characters from one point to another down a telegraph wire between the key and the solenoid. The battery provides the power. By using that same electrochemical source, a light could be powered up using the key. With the light and the same code used in sending messages over a wire, an individual could communicate between two points without a wire. Ships at sea could communicate with that light (though they usually use ship's power instead of a battery), or two scouts on a camping trip could communicate silently across a broad valley using flashlights.


How did the telegraph write?

The telegraph revolutionized communication by transmitting messages over long distances using electrical signals. It utilized a system of dots and dashes, known as Morse code, to represent letters and numbers, allowing operators to send and receive messages quickly. By connecting wires between stations, the telegraph enabled near-instantaneous communication, drastically changing the way information was shared and paving the way for modern communication technologies.


What transportation developments opened the West to settlement and trade between 1790 and 1830?

Turnpikes and canals, but not railroads yet (RRs were developed after 1830)


What are the similarities between routine and positive messages?

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Why is the nervous system like a telegraph?

The nervous system is like a telegraph because both systems transmit signals over distances to convey information quickly. Just as a telegraph sends coded messages through wires, the nervous system uses electrical impulses and neurotransmitters to relay messages between neurons and organs. This rapid communication allows for immediate responses to stimuli, ensuring efficient coordination of bodily functions. Both systems rely on a network of connections to function effectively.


What did the invention of the telegraph allow people to do for the first time?

The invention of the telegraph allowed people to send messages over long distances using electric signals, enabling real-time communication between locations that were previously disconnected. This revolutionized the speed at which information could be transmitted and transformed the way news, business, and personal messages were communicated.


What do telegraph operators do?

Telegraph operators are responsible for sending and receiving messages over telegraphic systems, typically using Morse code or similar encoding methods. They operate telegraph equipment, manage communication lines, and ensure the accurate transmission of messages between stations. Their work involves monitoring signals, troubleshooting equipment issues, and maintaining records of communications. While telegraphy has largely been replaced by modern communication technologies, operators played a crucial role in facilitating long-distance communication in the past.


What is the telegraph?

The telegraph was the "talking wire" made by Samuel F. B. Morse (like Morse Code). It had Morse Code in it and sent messages through dots and dashes.--Telegraph was an early system of sending messages over long distances by by wire, however unlike telephone which reproduces a voice message the telegraph used the Morse Code of alternating short and long signals called dots and dashes. Each letter had its own dot-dash combination and the code could be deciphered at the receiving end so the message could be read.--Originally before we were able to send voice messages by telephone or radio, messages were sent through wire using code made up of combination of long beeps and short beeps that were known as Morse code. Sending a message in this way was known as sending a telegram over the telegraph system.--A device or system that uses electric signals to transmit messages by a code or over a wire.Telegraph is communicating from a far distant from one another.

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