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A 100 F double layer carbon capacitor has a working voltage of 3 V and overall dimensions 303030 mm. What is the volumetric efficiency of the capacitor? It is required to use a pack of such capacitors to operate at 300 V. Estimate the volumetric efficiency of the 300 V pack. Compare the energy densities (J/kg) of the single cell and cell pack.
The source has 75 mW of power, 2 mr divergence, and a 0.5-cm exit radius. Construct a graph of sensor resistance versus distance from 0 to 2.5 m.
In AM, spectral overlap is said to occur if the lower sidebandfor positive frequencies overlaps with its image for negativefrequencies. What condition must the modulated wave satisfy if weare to avoid spectral overlap
This problem asks you to determine the trade-offs between the costs of the three types of lights. In this example, all three emit the same amount of light (lumens).
The cross section of a sheet steel core is 0.1 m X 0.1 m and its stacking factor is 0.93. If H = 1500 At/m, compute flux density B and magnetic flux .
Calculate the natural frequency requirements, if the damping ratios are 0.3 and 0.6 respectively. Determine the phase shift in each case at 50 and 75Hz
With |V| = 100 V, the instantaneous power p(t) into a network N has a maximum value 1707 W and a minimum value of -293 W. Find a possible series RL circuit equivalent to N.
Determine formulas in closed form for the marginal probability distribution function of X for all x, and sketch a graph of this function over the range -1 ≤ x ≤ 2.
a square wave of 1000Hz is introduced into an ideal band passfilter (bandwidth = 100Hz) that is tuned to 5000Hz. The signal output has an amplitude of 0.1V. The filster is thenreturned to 9000Hz.
three light bulbs (P1= 30W, P2=40W, P3=50W) are connected in series to a 120v source find the current i through the bulbs. Each bulb is rated 120 volts. how much power is each bulb absorbing do they generate much light
A sinusoidal voltage has maximum amplitude of 90 V. The voltage passes through one complete cycle in 64 ms. What is the frequency of the voltage in hertz
An amplifier with a voltage gain of +40 dB, an input resistance of 10 k ohms and an output resistance of 1 kohm is used to drive a 1 k ohms load. what is the value of Avo. Find the value of the power gain in decibels.
A.) We would like to use a series lumped element b to match this load. What is the length of the line where the normalized input impedance is z= 1-jb(d/\lambda). If the rfequency is 1GHz , find the value of the lumped element(C or L).
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