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barcode printing using vb.net Coefficient of coupling in Software
Coefficient of coupling Decode QR Code JIS X 0510 In None Using Barcode Control SDK for Software Control to generate, create, read, scan barcode image in Software applications. QR Code Creator In None Using Barcode creation for Software Control to generate, create QRCode image in Software applications. The coefficient of coupling, specified by the letter k, is a number ranging from 0 (no coupling) to 1 (maximum possible coupling). Two coils that are separated by a sheet of solid iron would have essentially k 0; two coils wound on the same form, one right over the other, would have practically k 1. Reading QR Code ISO/IEC18004 In None Using Barcode recognizer for Software Control to read, scan read, scan image in Software applications. QR Code ISO/IEC18004 Creation In Visual C#.NET Using Barcode creation for .NET framework Control to generate, create QR Code image in VS .NET applications. Mutual inductance
QR Code JIS X 0510 Generation In Visual Studio .NET Using Barcode generator for ASP.NET Control to generate, create QR Code ISO/IEC18004 image in ASP.NET applications. QR Code Encoder In .NET Framework Using Barcode drawer for Visual Studio .NET Control to generate, create QR Code ISO/IEC18004 image in Visual Studio .NET applications. The mutual inductance is specified by the letter M and is expressed in the same units as inductance: henrys, millihenrys, microhenrys, or nanohenrys. The value of M is a function of the values of the inductors, and also of the coefficient of coupling. For two inductors, having values of L1 and L2 (both expressed in the same size units), and with a coefficient of coupling k, the mutual inductance M is found by multiplying the inductance values, taking the square root of the result, and then multiplying by k. Mathematically, M k (L1L2)1/2 QR Code JIS X 0510 Maker In VB.NET Using Barcode generator for Visual Studio .NET Control to generate, create QR Code 2d barcode image in .NET framework applications. Data Matrix 2d Barcode Generation In None Using Barcode creator for Software Control to generate, create Data Matrix ECC200 image in Software applications. Effects of mutual inductance
UPC Code Creation In None Using Barcode encoder for Software Control to generate, create UPC Symbol image in Software applications. Bar Code Printer In None Using Barcode creator for Software Control to generate, create barcode image in Software applications. Mutual inductance can operate either to increase the inductance of a pair of series connected inductors, or to decrease it. This is because the magnetic fields might reinforce each other, or they might act against each other. When two inductors are connected in series, and there is reinforcing mutual inductance between them, the total inductance L is given in the formula: L L1 L2 2M Painting European Article Number 13 In None Using Barcode creation for Software Control to generate, create EAN13 image in Software applications. Print Barcode In None Using Barcode generator for Software Control to generate, create barcode image in Software applications. where L1 and L2 are the values of the individual inductors, and M is the mutual inductance. All inductances must be expressed in the same size units. Intelligent Mail Creation In None Using Barcode creation for Software Control to generate, create USPS Intelligent Mail image in Software applications. Encoding UPC Code In .NET Using Barcode drawer for ASP.NET Control to generate, create GTIN  12 image in ASP.NET applications. Problem 105 Making GS1  12 In ObjectiveC Using Barcode generation for iPhone Control to generate, create UCC  12 image in iPhone applications. Scanning Barcode In Java Using Barcode Control SDK for Java Control to generate, create, read, scan barcode image in Java applications. Suppose two coils, having values of 30 H and 50 H, are connected in series so that their fields reinforce, as shown in Fig. 105, and that the coefficient of coupling is 0.5. What is the total inductance of the combination First, calculate M from k. According to the formula for this, given above, M .5(50 30)1/ 2 19.4 H. Then the total inductance is equal to L L1 L2 2M 30 50 38.8 118.8 H, rounded to 120 H because only two significant digits are justified. When two inductors are connected in series and the mutual inductance is in opposition, the total inductance L is given by the formula L L1 L2 2M GTIN  13 Decoder In VS .NET Using Barcode reader for VS .NET Control to read, scan read, scan image in VS .NET applications. Painting Matrix 2D Barcode In .NET Using Barcode encoder for ASP.NET Control to generate, create Matrix 2D Barcode image in ASP.NET applications. where, again, L1 and L2 are the values of the individual inductors.
UPCA Supplement 5 Reader In Visual C# Using Barcode recognizer for .NET framework Control to read, scan read, scan image in .NET applications. Generate Bar Code In Java Using Barcode generation for Java Control to generate, create bar code image in Java applications. Aircore coils 189
105 Illustration for Problem 105. Problem 106 There are two coils with values L1 835 H and L2 2.44 mH. They are connected in series so that their coefficient of coupling is 0.922, acting so that the coils oppose each other, as shown in Fig. 106. What is the net inductance of the pair 106 Illustration for Problem 106. First, calculate M. Notice that the coil inductances are specified in different units. Convert them both to microhenrys, so that L2 becomes 2440 H. Then M 0.922(835 2440)1/ 2 1316 H. The total inductance is therefore L L1 L2 2M 835 2440 2632 643 H. It is possible for mutual inductance to increase the total series inductance of a pair of coils by as much as a factor of 2, if the coupling is total and if the flux reinforces. Conversely, it is possible for the inductances of two coils to cancel each other. If two equalvalued inductors are connected in series so that their fluxes oppose, the result will be theoretically zero inductance. Aircore coils
The simplest inductors (besides plain, straight lengths of wire) are coils. A coil can be wound on a plastic, wooden or other nonferromagnetic material, and it will work very well, although no aircore inductor can have very much inductance. In practice, the maximum attainable inductance for such coils is about 1 mH. Aircore coils are used mostly at radio frequencies, in transmitters, receivers, and antenna networks. In general, the higher the frequency of an alternating current, the less inductance is needed to produce significant effects. Aircore coils can be made to have 190 Inductance almost unlimited currentcarrying capacity, just by using heavygauge wire and making the radius of the coil large. Air does not dissipate much energy in the form of heat; it is almost lossless. For these reasons, aircore coils can be made highly efficient.

