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The magnetic flux density in the core of a 4.4-kVA, 4400/440-V, 50-Hz, step-down transformer is 0.8 T (RMS). If the induced EMF per turn is 10 V, determine
(a) the primary and secondary turns,
(b) the cross-sectional area of the core, and
(c) the full-load current in each winding?
reference the textbook problem 4.8. the rtd of problem 4.7 is used in the bridge circuit of figure 4.4. if r1 r2 r3
A temperature transmitter has an input range of 0 to 100 degrees celsius, an output range of 4 to 20 mA, and anaccuracy of ± 0.5%. The ideal transmitter has a linear output from 4 mA at 0 degrees celsius to 20 mA at 100 degrees celsius.
discuss the flat and segmented memory models and provide an example of how each are used to specify a memory
What mathematical feature of the electric field makes it impossible to define an electrostatic potential field in this case? Explain your answer in two or three sentences.
An engineer is required to survey a nonrectangular plot of land but is unable to measure side UT directly (see Figure 2.11). The following data are taken: RU=121.0m, RS=116.0m, ST=83.5m, angle RST= 113 degrees
To Design a Low Voltage Switchboard (with examples and diagrams expalantion )
The car lead-acid battery has generally 12 V output voltage, and its internal resistance is so small that can be neglected. When starting the engine, the current of 462 A is flowing from the battery to supply the "car starter"
An absolute encoder is to be used for measurements that require a minimum resolution of 0.05 minute or arc. What is the number of bits required to achieve the specified resolution
A person shuffling across a dry carpet can be approximately modeled as a charged 100-pF capacitance with one end grounded. If the person touches a grounded metallic object such as a water faucet, the capacitance is discharged
he power dissipated in the resistor R0 is 24 W when connected to a 10V source. Find the total dissipated power if 3 resistors identical to R0 are connected in series to a 10V source.
Simulate the proportional fair scheduling algorithm for tc large and compute the performance of each user for a range of y from 1 to 100. You can assume the use of capacity-achieving codes.
An abrupt p-n junction has a doping concentration of 1015, 1016, or 1017 cm-3 on the lightly doped n-side and of 1019 cm-3 on the heavily doped p-side. Obtain series of curves of 1/C2 versus V, where V ranges from -4 to 0V in steps of 0.5V.
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