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Q. A 100-kVA, 2300:230-V, 60-Hz, single-phase transformer has the following parameters: R1 = 0.30 , R2 = 0.003 , RC1 = 4.5k, X1 = 0.65 , X2 = 0.0065 , and Xm1 = 1.0k, where subscripts 1 and 2 refer to high-voltage and low-voltage sides, respectively. Set up the equivalent T-circuit of the transformer and determine the input current, input voltage, input power, and power factor when the transformer is delivering 75 kW at 230 V and 0.85 lagging power factor.
Q. For themagnetic circuit shown in Figure, neglecting leakage and fringing, determine the mmf of the exciting coil required to produce a flux density of 1.6 T in the air gap. Them
Explain the signals HOLD, READY and SID HOLD indicates that a peripheral such as DMA controller is requesting the use of address bus, data bus and control bus. READY is used to
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What is the effect of temperature on conductivity of semiconductor? Electrical conductivity of semiconductor changes appreciably along with temperature changes. At absolute zer
Q. A negative impedance converter is used, as shown in Figure. Show that the load current i L is given by v in /R, which is independent of Z L . Note that since the load sees a cu
GTO ( Gate Turn Off) GTO stands for gate turn off thyristor . it is four layer PNPN device. It can be triggered into conduction like a conventional thyristor by a pulse
Q. Write a note on clampers ? Clamper is a circuit that "clamps" a signal to a different dc level. The different types of clampers are positive negative and biased clampers.
Interpret the Assembly Output of the LC - 3 Compilers Goals to understand the stack convention of the LC3 compiler: How the stack pointer and frame pointer are managed
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I am working on Vision based vehicle lane keeping control system. I have uploaded two images at http://tinypic.com/view.php?pic=24gj85t&s=6 & at http://tinypic.com/view.php?pic=
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