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A wire of length L and 3 identical cells of negligible internal resistances are connected in series. Due to the current, the temperature of the wire is raised by T in atime t. A number N of similar cells is now connected in series with a wire of the samematerial and cross-section but of length 2L. The temperature of the wire is raised by thesame amount T in the same time. determine what is The value of N .
Using D-type flip-flops, design a synchronous Moore finite-state machine that monitors two inputs A and B, and asserts a scalar output if the number of 1s observed on the inputs is a multiple of 4.
Discuss the factors that determine transformer efficiency. What are some sources of transformer losses and how can these can be reduced
Two small plastic spheres are given positive electrical charges. When they are a distance of 15.6{\rm cm} apart, the repulsive force between them has a magnitude of 0.235{\rm N} .What is the charge on each sphere if the two charges are equal
how many roots of the following two polynomials are in the right half plane and left half plane P(s)= s^5 + 3s^4 + 5s^3 + 4s^2 + s + 3 P(s)= 3s^7 + 9s^6 + 6s^5 + 4s^4 +7s^3+ 8s^2+2s+6
A 34.3 kg child starting from rest slides down a water slide with a vertical height of 20.3 m. (a) What is the child's speed halfway down the slide's vertical distance (b) What is the child's speed three-quarters of the way down
Describe in you own words how a modem works and what steps the data goes through to be sent from one terminal to another via modem.
Suppose a turbine is used for generating electricity, estimate the ratio of powers generated by the same speed water and air. (Water density=1g/cm3, air density =1.2kg/m3)
Construct a 4-to-16-line decoder with five 2-to-4-line decoders (74LS139A). Use a block diagram for components and clearly show your address select variables.
a particular electric utility charges customers different rates depending on their daily rate of energy consuption 0.05khw up to 20 kwh and 0.1 kwh for all energy usage above 20 kwh in any 24 hour period.
An input signal of 10V at 0o and a frequency of 1592 Hz is applied to a series RLC circuit with resistor R = 100 ohm, inductor L = 40 mH, and capacitor C = 0.5 F. The value of the total circuit complex impedance is
First draw the transmit con-stellation and the receive constellation with ideal phase tracking and sampling. Note:they are obviously the same constellations. Now, assume that receiver synchronization is off by a phase angle.
What is the propagation constant at 500 MHz. Use the fact that the velocity of an EM wave in a lossless air-filled line is the same as that of free-space propagation in air. That is, the propagation constant is the same.
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