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The radius of a gold nucleus (Z = 79) is about 7-0 x 10-15 m. Assume that the positive charge is distributed uniformly throughout the nuclear volume. Find the strength of the electric field at
(a) the surface of the nucleus and
(b) at the middle point of a radius. Remembering that gold is a conductor, is it justified to assume that the positive charge is uniformly distributed over the entire volume of the nucleus and does not come to the outer surface ?
Plot the Bode straight-line approximation phase plot (i.e., f(f) vs. f) for the transfer function over the range f = 10 rad/s to f = 100 krad/s using the 4-cycle semi-log graph paper provided. Label all slopes in degrees/dec and all levels in degr..
It is often convenient in the analysis of AC circuits to convert the series R-C or R-L branch to an equivalent parallel branch and vice versa as shown in Fig. 1 (a) and (b).
Explain the following terms. Draw neat diagrams if needed.
in the process of sampling an analog signal g(t) is multiplied by a periodic train of rectangular pulses c(t)each of unit area ,given that the pulse repetition frequency of this periodic train is fs and the duration of each rectangular pulse is T
Derive a minimum cost realization of the four varible function that is equal to 1 if exactly two or exactly three of its variables are equal to 1; otherwise it is equal to 0. find the minimum cost SOP and POS forms for the function f(x1,x2,x3,x4)= ..
Calculate the length and the distance coved by the lightening arrestor to be installed above 20 feet height industrial building.
Determine the dc voltages, VB, VE, and VC, with respect to ground in Figure 3-74. Determine the voltage gain for the CE amplifier in Figure 3-74. Determine IC(sat) for Q1 and Q2 in Figure 3-43.
Calculate the frequencyto which the generated voltage drops before the steam flowcommences toincrease to meet the new load. The value of the stored energy forthe machine is5kW-sec per KVA of generator energy. Also calculate the value of Hconstant ..
An electrically powered, ring-shaped radiant heating element is maintained at a temperature of Th = 3000 K and is used in a manufacturing process to heat a small part having a surface area of Ap = 0.007 m2. The surface of the heating element may b..
X & Y are Gaussian random variables with E[X]=1, E[Y]=2, E[XY]=.1, VAR[X]=5 & VAR[Y]=10. Define the vector V=(matrix) 1 1;1 -1 matrix X;Y. Find the mean of E[V], covariance martix for V, use matrix notation
How much power (in watts) is transferred to or from the inductor when the time is 1 ms? The current flowing through the inductor is given by 5e^-200t The inductance is 107 mH
A sequential circuit for a luggage lock has 10 push buttons labeled0,1,2,3,4,5,6,7,8,9. Each pushbutton 0 through 9 produces a 1on X_i, i=0 through 9 with all other values on variable X_ j, jdoes not equal i, equal to 0.
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