The invention of the electric switch is attributed to various inventors and developments over time, rather than a single individual. The concept of a switch, which controls the flow of electricity by making or breaking a circuit, evolved gradually as electricity itself was understood and harnessed. Here are some key milestones and contributions related to the invention of the electric switch:

1. Who Invented Electric
Switch?
The invention of the electric switch is attributed to various inventors and developments over
time, rather than a single individual. The concept of a switch, which controls the flow of
electricity by making or breaking a circuit, evolved gradually as electricity itself was
understood and harnessed. Here are some key milestones and contributions related to the
invention of the electric switch:
1. **Early Electrical Experiments**: Early scientists and inventors, such as Alessandro Volta,
Luigi Galvani, and Michael Faraday, conducted experiments with electricity in the late 18th
and early 19th centuries, laying the foundation for understanding electrical circuits.
2. **Sir Charles Wheatstone**: In the 1830s, Sir Charles Wheatstone, an English scientist
and inventor, developed the "Wheatstone bridge," which allowed for precise measurement of
electrical resistance. This concept contributed to the understanding of electrical circuits and
their control.
3. **Samuel Morse**: Samuel Morse, known for inventing the Morse code and the telegraph,
developed an early version of an electric switch called the "Morse key" or "telegraph key" in
the 1830s. It allowed telegraph operators to open and close circuits, transmitting messages
in code.
4. **Joseph Henry**: Joseph Henry, an American physicist, improved the design of early
telegraph switches in the 1830s and 1840s. He is often credited with inventing the first
practical electromagnetic relay, which allowed for the remote control of electrical circuits.
5. **Thomas Edison**: Thomas Edison, the inventor of the incandescent light bulb and the
founder of General Electric, made significant contributions to electrical engineering. While he
didn't invent the basic switch, he developed and patented various improved switches and
electrical devices during the late 19th century.
6. **Modern Switches**: Over time, various inventors and engineers have contributed to the
development of modern electrical switches, including toggle switches, push-button switches,
and rotary switches. These switches are commonly used in homes and industries today.
It's important to note that the invention and development of the electric switch were gradual
processes that involved the collective efforts of many individuals working to harness and
control electricity. The specific design and functionality of switches have continued to evolve
and diversify with advancements in technology and electrical engineering.