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1. What is a transformer? Explain the functions it fulfils as an element of a power system.
2. Differentiate between core and shell-type transformers.
3. Explain briefly the ideal transformer as a circuit element. Can voltage and current ratios be adjusted independently?
4. Explain the operation and application of the impedance transforming property of an ideal transformer.
Since smart grid application is expected to have a substantial societal benefit in addition to the direct benefit to electric power customers and utility companies, how should the expected huge cost of smart grid infrastructure installation paid
Find the current, the power and the power factor when it is supplied by 50V, 50Hz supply.- What are the values of R and L in the circuit?
Design a combinational logic circuit which will accept a 4-bit binary number and: If the number is even, divide it by 210 and produce the binary result. If the number is odd, multiply it by 210 and produce the binary result.
Explain the difference between hard-decision and soft-decision decoding in partial response signaling, including the relative advantages and disadvantages of each.
What do they mean by these two statements. For example, are they asking us to keep Voltage or Current constant in either statement and vary the Resistance finding the unknown Voltage or Current or what
a modern transmits a 2 voltage signal into a channel. the channel adds to this signal a noise term that is drawn from
Write a program to create an array initialized with Hex digits in the ROM space. The main code should copy this array to a different array in the RAM space.
Loop antennas are very common and are often used by amateur radio sites. In fact, the figure on the right is provided as an example what one may find when searching for loop antennas on the web.
q1. let us consider a three-phase balanced y-connected source with vab400 30angv rms and 50 hz. this source supplies
Define characteristic impedance of a two-port network. Show that the characteristic impedance (zo) of a given symmetrical two-port network can be expressed in terms of its impedance (z) parameters by the relation z0 = sqrt(z11^2-z22^2)
An LTI system's impulse response is described by the differential equation, dh(t)/dt + 3h(t) = impulse function. Find the characteristic roots for the system, the initial condition, and the h(t) for t > 0.
An ideal transformer powered from 150 v contains 1920 primary turns and is supplying 125W into 5 ohm load how many turns on the transformers secondary?
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