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The current distribution on a center-fed short dipole (length l n ë) centered at the coordinate origin and lying along the z-axis can be written aswhere Io defines the peak value of the current at the feed point of the antenna. Show that the magnetic vector potential of the center-fed short dipole is related to the magnetic vector potential of the Hertzian dipole by given equal antenna lengths and assuming the value of Io is equal on the two antennas.
What are the rated full -load speeds of a 400HZ motor that may be connected for either two or four pole operation, assuming a full load slip of 4% for both cases
How many turns are required for a circular loop of 100-mm radius to develop a peak emf of 10mV if the loop rotates 30r/s in the earth's magnetic field Take B = 60E-6T.
It was noticed (in the field) that when the load was turned off (0 real power consumption) that the generator began to operate leading, yet the engineer was not able to replicate this behavior using the model described above. Explain what is defic..
Control Systems: Operation of a PID, Which one of the following statement regarding to operation of a PID is true?
Given a state diagram with 622 states and 7 input variables, how many K-Maps would be needed to be solved to design the system using T flip-flops
Design a 2-bit counter that, when f = 1, counts in the repeating sequence: 0, 2, 3, and when f = 0, counts in the reverse direction. Use T flip-flops. (a) Construct a state diagram or state table.
It the resistors used are not ideal but have a ±5% manufacturing tolerance, what are the extreme output voltage and resistances that can result?
Determine the dynamic behavior of the tank concentrations (CA0 and CA) in response to a step change in inlet concentration by 0.925 mole/m3. Estimate the time it takes until 63% of the change in outlet concentration, CA has occurred.
Suppose an 802.11b station is configured to always reserve the channel with RTS/CTS sequence. Suppose this station suddenly wants to transmit 1,000 bytes of data, and all other stations are idle at this time. Suppose the transmission rate is 11Mbp..
Design a 4-bit register with 2 control inputs s1 and s0; 4 data inputs I3, I2, I1, and I0; and 4 data outputs Q3, Q2, Q1, and Q0. When s1s0=00, the register maintains its value. When s1s0=01, the register loads I3....I0.
A piece of germanium doped with 1016 cm-3 shallow donors is illuminated with light generating 1015 cm-3 excess electrons and holes. Calculate the quasi-Fermi energies relative to the intrinsic energy and compare it to the Fermi energy in the absen..
Design an air-filled C-band (5-8 GHz) rectangular waveguide such that the center frequency of this band (f= 6 GHz) is at least 25% higher than the cutoff frequency of the TE10 mode and at least 25% lower than the cutoff frequency of the next highe..
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