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Systems such as those encountered in mechanics, thermodynamics, and hydraulics can be represented by analogous electric networks, from the response of which the system characteristics can be investigated. The analogy, of course, is a mathematical one: that is, two systems are analogous to each other if they are described by similar equations. The analogous electric quantities for a mechanical system are listed in Table.
Consider a tank filled with water, as shown in Figure, with input flow rate Fi and output flow rate Fo = h/R, where h is the fluid level or head and R is related to the diameter of the pipe, denoting the fluid resistance. Let A be the cross-sectional area of the tank. We may think of the fluid as being analogous to charge, and the fluid flow as being analogous to current. Then, in effect, the water tank acts as a capacitor storing charge, which is fluid in this case. This analogy is illustrated in Table.
Q. Design the low-pass filter shown in Figure (by determining L) to have a half-power frequency of 10 kHz.
Suppose we have a coil wound onto a ring of material with relative permeability µ r . Provided that the relative permeability µ r >> 1, then the magnetic flux lines will s
When I read the details of how a transformer works and apply those rules to a transformer where the primary core cross-sectional area is twice that of the secondary, I come up with
Level 1 is means of sending bit streams over a physical path. It uses times lot 16 of a 2 M bit/s PCM system or times slot 24 of a1.5 M bit/s system. Level 2 performs functions
You are asked to design a circuit that indicates if a 12 V battery has been connected the correct way around to two terminals, A and B. To do this, you have chosen to use a special
Q. A balanced delta-connected load with a per-phase impedance of 12 + j9 is supplied by a 173-V, 60-Hz three-phase source. (a) Determine the line current, the power factor, th
Q. Define Transmission-system efficiency? The transmission-system ef?ciency is de?ned as the ratio of the real power delivered to the receiving-end bus to the real power transf
Explain effect of frequency of applied electric field. If an external electric field is applied, the distance among charges that is related to chemical bonding keeps constant i
Q. Linear and position invariant? Assume that the model illustrated below is linear and position invariant. Also the noise and the image are uncorrelated. Show that the powe
explain how we can produce static eletricty?
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