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(a) Find the electric potential at a general point in space for a charge placed as in Figure 5.14 with the angle between the plates equal to 60°. Assume the intersection between the plates occurs at x = 0, y = 0, the upper plane coincides with the y axis, and the charge q is on the bisector (at 30° from the y axis), at a distance a from the intersection of the plates.
(b) Find the electric field intensity on the vertical plate.
a)How large a parallel resistor Ra mustbe placed in parallel with the D'Arsonval meter movement toextend its useful measuring range to 1A b)For the design completed in Prob. a determine themeasured current that flows when the D'Arsonval metermove..
For a given circuit in fig. , find out the equivalent resistance between X and Y.
identify one emerging technology and evaluate its future prospects by identifying the cultural and social factors
An Electrical System is rated 10kVA, 200V at a .5 leading the power factor. a. determine the impedance of the system in rectangular coordinates. b. find the average power delivered to the system
onsider the difference equation- where x(k) is the output and x(k) = 0 for k
If 20 MHz of total spectrum is allocated for a duplex wireless cellular system and each simplex channel has 25 KHz RF bandwidth, find: (a) the number of duplex channels (b) the total number of channels per cell site, if N = 4 cell reuse is used.
Begin with a breadboard, wire, an RGB LED and some resistors. Using the forward voltages given in the RGB LED datasheet, calculate the correct current-limiting resistors needed to light each color of the LED (assuming VDD = +5V).
A manufacturer specification sheet lists the transfer function of a pressure sensor as 45±5% mV/kPa with a time constant of 4±10%. A highly accurate test system applies a step change of pressure from 20 kPa to 100 kPa.
It has been proposed that by placing an appropriately selected resistor across the line at a distance dmax from the load, where dmax is the distance from the load of a voltage maximum. Show that the proposed approach is valid and find the value of th..
The display needs to tell you what direction you are about to move. The problem is WBNEC insists that you use a standard 7-Segment display. (Hint: You can tilt the display.) Design a decoder that will display up-down-left-right.
Design a 4-element broadside array with equal side lobe level of -20 dB relative to the peak value , take the inter-element spacing d=λ/2 , find the resulting beamwidth to null.
Design a parallel resonant circuit so that a variable capacitor can adjust the resonant frequency over the AM broadcast band, 535 to 1605 kHz, with Q
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