Sharvina Gungah said:Thank you all for helping.
Today I have another question: If individual charges move at around (10^ -4) m/s, then how come signals are being able to travel at great speeds- like approaching speed of light? Isn't it too fast?
The speed of a signal or charge refers to the rate at which it travels through a medium. In a vacuum, the speed of an electromagnetic signal is approximately 3 x 10^8 meters per second, which is known as the speed of light.
The speed of signals and charges can be measured using various methods, including time-of-flight measurements and Doppler shift measurements. These methods involve measuring the time it takes for a signal or charge to travel a known distance or the change in frequency of the signal as it travels.
The speed of signals and charges can be affected by the medium through which they are traveling, such as air, water, or a vacuum. It can also be affected by external factors such as temperature, pressure, and electromagnetic fields.
The speed of signals and charges is a crucial factor in communication technology as it determines how quickly data can be transmitted and received. Higher speeds allow for faster and more efficient communication, while slower speeds can lead to delays and disruptions in communication.
No, according to Einstein's theory of relativity, the speed of light is the maximum speed at which anything in the universe can travel. Therefore, the speed of signals and charges cannot exceed the speed of light.