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1. A (0-10A) range ammeter has an internal resistance of 0.0002Ohms. It is necessary to use this meter for measuring a currentwhich is likely to be in the range of (0-70A) Amperes. Design aresistance circuit to accomplish the above measurement. Show thecircuit, calculate any resistance values, and explain the procedure.
2. A (0-25V) range voltmeter has an internal resistance of 80,000Ohms. It is necessary to use this meter for measuring a voltagewhich is likely to be in the range of (0-150) volts. Design aresistance circuit to accomplish the above measurement. Show thecircuit, calculate any resistance values, and explain the procedure.
A 600kVA, 600 V, 0.9-PF-leading, Y-connected synchronous motor has a synchronous reactance of 1.0 per unit and an armature resistance of 0.1 per unit. At the current time, EA = 1
The transfer function of a causal LTI system is H(s)= 1/(s^2+4) Suppose we would like the output y (t) to be identical to zero for t = 0. If we let x (t) =δ(t), what would the initial conditions be equal to
3-singlephase 2 winding transformers, each rated 500 MVA, 13.8/199.2 kV, with leakage reactance Xeq = 0.10 per unit, are connected to form a three-phase bank. Winding resistances and exciting current are neglected.
Graded-index separate confinement double heterostructure (GRIN-SCH) InGaAs/GaAs lasers with various cavity lengths were tested in the lab. The 100m wide oxide strip lasers consists of two pairs of 10nm In0.2Ga0.8As quantum-well (QW).
A 15kV:175kV, 125 MVA, 60 Hz single-phase transformer has primary and secondary impedances of 0.0095+j0.063 per unit each. The magnetizing impedances is j148 per unit. All quantities are in per unit on the transformer base.
A 1.0-cm diameter pipe widens to 2.0 cm then narrows to 5.0 mm. Liquid flows though the first segment at a speed of 4.0 m/s. What is the speed of the liquid in the second and third segments of pipe
Design a system using a counter that produces a 1 output when theinput has been 1 for eight or more consecutive clock times. Use acounter with a clocked active low clear and no enable input.
A 10m diameter cylindrical tank is emptied by a constant outflow of 1 m3 /min. A two position controller is used to open and close a fill valve with an open flow of 3 m3 /min. For level control the neutral zone is 1m and the setpoint is 10m.
This bar is made of AISI 1006 cold-drawn steel and is loaded by the forces F=0.55 kN and T=25.N.m. Use both the maximum-shear theory and the distortion-energy theory to design the bar diameter D.
In a typical commercial electrical distribution system, which is more common: an inductive power factor, or a capacitive power factor. What is the most common technique used to correct this kind of low power factor.
Assuming that there is no frequency-dependent component of the load (i.e., D = 0), find the steady-state frequency deviation and the corresponding new generation of each unit. Use 1000 MVA as the p. u. (per-unit) base.
The 24-bit data field of a packet is given by 0xBC603F. The packet contains a CRC with the generator polynomial given by X 3+X+1 a) Find the CRC checksum. Provide the complete code-word including the checksum in hex.
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