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barcode reader code in c# net The highvoltage side of a transformer has 750 in Software
1624 The highvoltage side of a transformer has 750 Scan QR Code ISO/IEC18004 In None Using Barcode Control SDK for Software Control to generate, create, read, scan barcode image in Software applications. Quick Response Code Encoder In None Using Barcode generator for Software Control to generate, create QR Code image in Software applications. turns, and the lowvoltage side 50 turns When the high side is connected to a rated voltage of 120 V, 60 Hz, a rated load of 40 A is connected to the low side Calculate a The turns ratio b The secondary voltage (assuming no internal transformer impedance voltage drops) c The resistance of the load Denso QR Bar Code Decoder In None Using Barcode reader for Software Control to read, scan read, scan image in Software applications. QR Code ISO/IEC18004 Printer In C# Using Barcode encoder for Visual Studio .NET Control to generate, create QR Code JIS X 0510 image in .NET applications. ;; ;; Generating QR Code In Visual Studio .NET Using Barcode generator for ASP.NET Control to generate, create Denso QR Bar Code image in ASP.NET applications. Making QR Code 2d Barcode In .NET Framework Using Barcode drawer for .NET framework Control to generate, create QR image in Visual Studio .NET applications. Crosssection 8 cm 8 cm
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Bookland EAN Encoder In None Using Barcode drawer for Software Control to generate, create ISBN  10 image in Software applications. Bar Code Drawer In Java Using Barcode creator for Java Control to generate, create barcode image in Java applications. 1625 A transformer is to be used to match an 8loudspeaker to a 500 audio line What is the turns ratio of the transformer, and what are the voltages at the primary and secondary terminals when 10 W of audio power is delivered to the speaker Assume that the speaker is a resistive load and the transformer is ideal 1626 The highvoltage side of a stepdown transformer has 800 turns, and the lowvoltage side has 100 turns A voltage of 240 VAC is applied to the high side, and the load impedance is 3 (low side) Find a The secondary voltage and current b The primary current c The primary input impedance from the ratio of primary voltage and current d The primary input impedance Data Matrix ECC200 Creator In Java Using Barcode printer for Java Control to generate, create DataMatrix image in Java applications. Generating Code 128A In None Using Barcode generation for Online Control to generate, create Code 128B image in Online applications. 1632 Derive the same result obtained in
Paint Barcode In ObjectiveC Using Barcode creator for iPad Control to generate, create barcode image in iPad applications. Painting Bar Code In Java Using Barcode creator for Java Control to generate, create bar code image in Java applications. Example 1611 using equation 1646 and the de nition of inductance given in equation 1630 You will rst compute the inductance of the magnetic circuit as a function of the reluctance, then compute the stored magnetic energy, and nally write the expression for the magnetic force given in equation 1646 Bar Code Scanner In C#.NET Using Barcode decoder for .NET Control to read, scan read, scan image in .NET framework applications. Drawing Data Matrix 2d Barcode In ObjectiveC Using Barcode maker for iPad Control to generate, create Data Matrix 2d barcode image in iPad applications. 1633 With reference to Example 1611, generate a
simulation program (eg, using SimulinkTM ) that accounts for the fact that the solenoid inductance is not constant, but is a function of plunger position Compare graphically the current and force step responses of the constantL simpli ed solenoid model to the step responses obtained in Example 1611 1627 Calculate the transformer ratio of the transformer
in Problem 1626 when it is used as a stepup transformer 1628 A 2,300/240V, 60Hz, 46kVA transformer is designed to have an induced emf of 25 V/turn Assuming an ideal transformer, nd a The number of highside turns, Nh , and lowside turns, Nl b The rated current of the highvoltage side, Ih c The transformer ratio when the device is used as a stepup transformer 1634 With reference to Example 1612, calculate the
required holding current to keep the relay closed
1635 The relay circuit shown in Figure P1635 has the
following parameters: Agap = 0001 m2 ; N = 500 turns; L = 002 m; = 0 = 4 10 7 (neglect the iron reluctance); k = 1000 N/m, R = 18 What is the minimum DC supply voltage, v, for which the relay will make contact when the electrical switch is closed Movable part Switch R Spring k N M
Section 4: Electromechanical Transducers 1629 For the electromagnet of Example 169: a Calculate the current required to keep the bar in place (Hint: The air gap becomes zero and the iron reluctance cannot be neglected) b If the bar is initially 01 m away from the electromagnet, what initial current would be required to lift the magnet 1630 With reference to Example 1610, determine the
best combination of current magnitude and wire diameter to reduce the volume of the solenoid coil to a minimum Will this minimum volume result in the lowest possible resistance How does the power dissipation of the coil change with the wire gauge and current value To solve this problem you will need to nd a table of wire gauge diameter, resistance, and current ratings Table 22 in this book contains some information The solution can only be found numerically 1631 Derive the same result obtained in Example 1610 using equation 1646 and the de nition of inductance given in equation 1630 You will rst compute the inductance of the magnetic circuit as a function of the reluctance, then compute the stored magnetic energy, and nally write the expression for the magnetic force given in equation 1646 ; ;; ;; x=L x=0
+ V _ Figure P1635
1636 The magnetic circuit shown in Figure P1636 is a
very simpli ed representation of devices used as surface roughness sensors The stylus is in contact with the surface and causes the plunger to move along with the surface Assume that the ux in the gap is given by the expression = /R(x), where is a known constant and R(x) is the reluctance of the gap The emf e is measured to determine the surface pro le Derive an expression for the displacement x as a function of the various parameters of the magnetic circuit and of the measured emf (Assume a frictionless contact between the moving plunger and the magnetic structure and that the plunger is restrained to vertical motion only The crosssectional area of the plunger is A)

