Voltage is represented in equations and schematics by the letter âVâ. When describing voltage, current, and resistance, a common analogy is a water tank. In this analogy, charge is represented by the water amount, voltage is represented by the water pressure, and current is represented by the water flow.
In the 17th century, 'muggle' was an informal synonym of 'sweetheart'. The Harry Potter world is divided into the magical and the mundane, and J.K. Rowling created an entire vocabulary to separate the wizarding world from the Muggle world. Among those words was Muggle. A Muggle is a non-magical person.
List of spells in Harry Potter. (Redirected from Lumos) Spells in Harry Potter occur in the fictional wizarding world of the series of books by author J. K. Rowling. Magic spells are used by many of the characters to achieve useful effects without the benefit of modern technology.