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We observe that at a given point on a wire, 6.242 × 1020 electrons flow past left to right in 20 seconds.
a. Find the current passing through the point.
b. The current flows from left to right or right to left?
calculate the ripple amplitude if the frequency is 60 Hz.
A 200 ft length of solid copper wire is measured to have a resistance of .500 Ohms. a. Determine the cross sectional area of the wire in both square mils and in circular mils. b. Determine the diameter of the wire in mils and in inches.
Let Xa (jΩ) denote the Continous Time FourierTransform of a real-valued continuous time functionxa(t). Show that the magnitude spectrum | Xa(jΩ) | is an even function of Ω and the phase spectrumθ(Ω) = arg{Xa (jΩ)} is an odd function ofΩ.
The parameters of a certain transmission line operating at ω = 6×108 rad/s are L = 0.35μH/m, C = 40 pF/m, G = 75 μS/m, and R = 17 Ω/m => α=0.0943 Np/m, β=2.2467 rad/m, λ=2.7966 m, Z0 =93.623-j3.6368
The numbers N, A, and B are usually published so that everyone knows them. Suppose A= 21, B= 5, N= 8, and the initial value (or seed) is X(0)=1. Write down the first six decimal numbers that are generated by this algorithm.
For the network of given figure, determine the following 100 ms after the switch is closed: - If the switch is moved to position 2 one hour later, find the time required for vR2 to drop to 20 V.
The charge carried by an electron is ?1.60×10?19 C. Suppose that an electron moves through a voltage of 120V from the negative polarity to the positive polarity. How much energy is transferred Does the electron gain or lose energy
Consider the noise level table included in page 2 and thedesign equations included in pages 3 and 4 for circular and square membranes. Consider the radiusof the circular membranes limited to values ≤500 μm and square membranes with sides ≤1000 μm
b- Evaluate the sum of the second row of B. c- Multiply the second column of B and the first column of A. d- Evaluate the maximum value of the vector resulting from element-by-element multiplication of the second column of B with the first column ..
An AC signal has a peak value of 100 V and a frequency of 60 Hz. If the voltage crosses zero in a rising direction at t=0 seconds, what is the instantaneous voltage at t = 0.004167
Using the Internet, a magazine, or a provided list of memory modules, determine the exact part numbers and quantities of memory modules that you would buy. List them with the location of where you obtained the information.
A machine produces photo detectors in pairs. Tests show that the first photo detector is acceptable with probability 3/5. When the first photo detector is acceptable, the second photo detector is acceptable with probability 4/5.
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