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In physics, the magnetomotive force (abbreviated mmf or MMF, symbol ) is a quantity appearing in the equation for the magnetic flux in a magnetic circuit, Hopkinson's law. [1] It is the property of certain substances or phenomena that give rise to magnetic fields : F = Φ R , {\displaystyle {\mathcal {F}}=\Phi {\mathcal {R}},} where Φ is the ...
Synthetic music [1] Mobile Application Format, abbreviated SMAF, is a music data format specified by Yamaha for portable electronic devices, such as cell phones and PDAs. The file extension for SMAF is .MMF and is common as ringtones for mobile phones with one of five sound chips. SMAF resembles MIDI, but also supports graphics and PCM sound ...
Magnetic field (green) induced by a current-carrying wire winding (red) in a magnetic circuit consisting of an iron core C forming a closed loop with two air gaps G in it. In an analogy to an electric circuit, the winding acts analogously to an electric battery, providing the magnetizing field , the core pieces act like wires, and the gaps G act like resistors.
.mmf, a file extension used for Synthetic Music Mobile Application Format polyphonic ring tones; Multimedia Fusion and Multimedia Fusion 2, software authoring tools from Clickteam; Multimedia framework, a software framework that handles media; Multiple master fonts, a format for fonts
The term reluctance was coined in May 1888 by Oliver Heaviside. [1] The notion of "magnetic resistance" was first mentioned by James Joule in 1840. [2] The idea for a magnetic flux law, similar to Ohm's law for closed electric circuits, is attributed to Henry Augustus Rowland in an 1873 paper. [3]
Make Money Fast (stylised as MAKE.MONEY.FAST) is a title of an electronically forwarded chain letter created in 1988 which became so infamous that the term is often used to describe all sorts of chain letters forwarded over the Internet, by e-mail spam, or in Usenet newsgroups.
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MMF—Multi-Mode (optical) Fiber; MMIO—Memory-Mapped I/O; MMI—Man Machine Interface. MMORPG—Massively Multiplayer Online Role-Playing Game; MMS—Multimedia Message Service; MMU—Memory Management Unit; MMX—Multi-Media Extensions; MNG—Multiple-image Network Graphics; MoBo—Motherboard; MOM—Message-Oriented Middleware; MOO—MUD ...