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A d'Arsonval movement is rated 1 mA, 100 Ω.
a. What is the current sensitivity?
b. Design a 20-A ammeter using the above movement. Show the circuit and component values.
Steam at 3.45 MPa, 260oC enters a well-insulated valve operating at steady state with a mass flow rate of 0.05 kg/s through a 2.54 cm diameter pipe. The steam expands to 1.40 MPa with no significant change in elevation.
An autotransformer is used to connect a 12.6-kV distribution line to a 13.8-kV distribution line. It must be capable of handling 2000 kVA. There are three phases, connected Y-Y with their neutrals solidly grounded. What must the NC / NSE turn..
FPGAs are programmed from a compiled HDL description (i.e., a Verilog or VHDL program). What would you have to have in the HDL description to use the global set/reset function in the Spartan FPGA
The frequency of the interference slowly varies in the range 950 to 1050Hz. A filter that attenuates the interference by at least 20 dB and passes most of the audio components is desired. What type of filter is needed? Sketch the magnitude Bode pl..
Locate the centroid of the cross section and determine the two principal moments of inertia. Resolve the load P into components parallel to the principal axes, equal to the shear forces. The two sets of shearing stresses are then calculated at loc..
A 500-turn coil is wound on an iron core. When a 120-V-rms 60-Hz voltage is applied to the coil, the current is 1 A rms. Neglect the resistance of the coil. Determine the reluctance of the core. Given that the cross sectional area of the core is ..
A circuit consist of two impedance,Z1=50/_45 ohms and Z2=25/_30 ohms, connected in parallel. They are supplied by a source whose voltage is V=50/_0 volts. Determined follows 1. the current drwan by each impedance
Two voltage waves of equal amplitude, V0, and frequency w, propagate in the forward z direction in a lossless transmission line of characteristic impedence Z0. One waves is phase-shifted from the other by \o radians.
you run a 50ft extension cord to a load. the resistance of each conductor in the cord is 0.05omega foot. if the
How does noise affect the measurement signals in analog and digital data lines. Why is one signal sensitive to noise and the other one is not
Perform a link budget for a 25-kilometer point-to-point microwave link in the 30 GHz band. Calculate the free space loss (dB), received power dBm), fade margin (dB), and Fresnel zone radius(m) given the following: Tx Power = 70 dBm
A point source light of 9000 cd is mounted 3.3m above the centre of a work bench.The bench measures 4m x 4m, what is the illumination on the corners of the bench ?
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