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Fleming's left-hand rule. Fleming's left-hand rule for electric motors is one of a pair of visual mnemonics, the other being Fleming's right-hand rule for generators. [1] [2] [3] They were originated by John Ambrose Fleming, in the late 19th century, as a simple way of working out the direction of motion in an electric motor, or the direction of electric current in an electric generator.
Fleming's left-hand rule is used for electric motors, while Fleming's right-hand rule is used for electric generators.In other words, Fleming's left hand rule should be used if one were to create motion, while Fleming's right hand rule should be used if one were to create electricity.
The left–right political spectrum is a system of classifying political positions, ideologies and parties, with emphasis placed upon issues of social equality and social hierarchy. In addition to positions on the left and on the right, there are centrist and moderate positions, which are not strongly aligned with either end of the spectrum.
This puts left-wingers in the left quadrant, libertarians in the top, centrists in the middle, right-wingers in the right and what Nolan originally named populists in the bottom. Several popular online tests, where individuals can self-identify their political values, utilize the same two axes as the Nolan Chart, including The Political Compass ...
The numbers on left-handed rulers move from right to left so lefties can see them clearly as they move their pens. When you hold a tape measure in your left hand, the numbers are upside down.
Fleming's rules are a pair of visual mnemonics for determining the relative directions of magnetic field, electric current, and velocity of a conductor. [1]There are two rules, one is Fleming's left-hand rule for motors which applies to situations where an electric current induces motion in the conductor in the presence of magnetic fields (Lorentz force).
The left hand is held with the thumb, first finger and second finger mutually at right angles. The Thumb represents F - Thrust (or resulting Motion). The First finger represents B - Field. The Second finger represents I or V - Current (in the classical direction, from positive to negative).
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