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Consider this wire:
Each side is of length d and the point P¸ is even with the bottom horizontal wires and in the middle of the square area.
(a) Use the Biot-Savart law for currents to analyze the contributions of segments 1 and 5 to the magnetic field at point P.
(b) Compare the contributions of segments 2 and 4 to the magnetic field at point P (both magnitude and direction).
(c) The magnetic field at P is a sum of integrals, each one for a single segment of the wire. Write expressions for all the integrals needed to evaluate the magnetic field at P but do not try to do the integrals. You may draw on the example in your textbook to help you set the integrals up.
If the mechanical power sent out from the machine is 100 kW at a rotating speed of 90% of the nominal speed. Compute the slip of the machine and find the power dissipation due to the rotor winding resistance.
A transformer has a primary voltage of 115v and a secondary voltage of 24v. If the number of turns in the primary is 345, how many turns are in the secondary?
(a) If a motor at the end of a transmission line has a reactance of 8 ohms per phase, what is the maximum power which the machine can develop, given that the sender voltage is 4kV and the induced voltage Eo is also 4kV.
Create menus and sub menus to allow the user to select the functions they need. 1. Allow the user to enter 20 inventory items into the program. Use string arrays to track the name of the of the product and use double arrays to store the price of e..
how can we write those operations just once but allow them to be easily used whenever needed within a program or from
What do the letters PCM and PAM stand for? Why is PCM transmission preferred over PAM transmission? Give at least two reasons in your answer.
Assume that a receiver has a first amplifier stage with a 5KW input resistance, a gain of 300, an input audio signal of 20 mV, and an operating temperature of 27oC. When the amplifier is operating with a bandwidth first of 10 MHz
A 220 V, 1500 rpm, 11.6 A (armature current) separately excited motor is controlled by a single phase, full wave SCR converter. The armature resistance of the motor is 2 ohm. The ac source voltage is 230 V (rms) 60 Hz.
(a) Give the Boolean function Y . (b) Sketch a PDN directly from the expression for Y. Note that it requires 12 transistors in addition to those in the inverters (c) From inspection of the PDN circuit, reduce the number of transistors to 10
A total of 3.00 106 electrons are placed on an initially uncharged wire of length 1.44 m. (a) What is the magnitude of the electric field a perpendicular distance of 0.412 m away from the midpoint of the wire
13A flows through the coil of a DC motor. The coil has a length of 0.4m and 0.3m. The coil has 36 windings and a flux of 0.21 Wb. If its rotational frequency is 936 r/min, calculate output power of the motor.
Using 8-bit bytes, show how to represent 123, clearly state the byte values using hex and the number of bytes required for each context. Simply indicate the case if the code is not able to represent the information.
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