What is a henry in physics and electronics?
Q: What is a henry in physics and electronics?
A: A henry is the SI unit of inductance in physics and electronics.
Q: Who is Joseph Henry and what is his significance to the henry unit?
A: Joseph Henry is an American scientist who discovered electromagnetic induction and the henry unit is named after him.
Q: Who independently discovered electromagnetic induction around the same time as Joseph Henry?
A: Michael Faraday independently discovered electromagnetic induction at about the same time as Joseph Henry.
Q: What is the magnetic permeability of a complete vacuum in henries per meter?
A: The magnetic permeability of a complete vacuum is 4π×10−7 H/m (henry per meter).
Q: How does the National Institute of Standards and Technology suggest writing the plural of henry?
A: The National Institute of Standards and Technology suggests writing the plural of henry as henries.
Q: Should unit names be capitalized?
A: No, unit names should not be capitalized.
Q: What is the symbol for henry?
A: The symbol for henry is H.
