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Describe how does the motor develops torques in a systematic way
A solar cell is uniformly illuminated by monochromatic light of 700nm with power density of 20 mW/cm^2. What is the corresponding incident photon flux What is the upper limit to Jsc if the bandgap is 1.4eV
First draw the transmit con-stellation and the receive constellation with ideal phase tracking and sampling. Note:they are obviously the same constellations. Now, assume that receiver synchronization is off by a phase angle.
a) Calculate alpha, omega-sub-delta, and omega-sub-zero. b) write the equation which describes the current i for t>0. c) determine the maximum value of i, and the time at which it occurs, if the inductor initially stores no energy and v(0-)=9V.
Two DTEs are communicating via modems and RS-232C interfaces over a half duplex link. Data transmission is one directional with each message of length M. After a message is transmitted, the sender waits for a CTS message.
In discovering a material that would be superconducting above room temperature, so that no refrigerant would be required. Suggest how the properties of such superconductors could be valuable in each of the following fields
Use Matlab to verify the above results and determine: a. The starting torque b. The maximum torque c. The slip at which the motor develops maximum torque d. Draw the torque-speed characteristic of the motor
Show that the response is able to follow the input with a steady state delay of Determine the value of steady-state error 60m/s.
The power factor of a load connected to a 120-V 60-Hz source is raised from 0.866 lagging to 0.966 leading by connecting a 110.5-F capacitor in parallel with the load. Determine the load current I1 and the circuit current IT
Design a 4-bit circuit for 2s-complement, base on the formula below, using only inverters, 2 input AND gates and 2 input OR gates. Design your circuit to be as fast as possible. What is the worst-case propagation delay for this circuit
Lets assume that one electron is removed from each atom and these electrons are all removed from the penny to a distance such that the force of attraction between the positively charged penny and the removed group of electrons is 2.3 N.
Design a counter with JK flip-flops that goes through the following binary repeated sequence: 0, 1, 2. Treat the states 11(3) as don't care condition. Derive the state table, the simplified input equations and draw the logic diagram.
Slots in the broad wall of a rectangular waveguide scatter power symmetrically, so that they can be modeled as a shunt admittance,Y, in a transmission line. Consider the waveguide structure below, with four equally space slots .68 lambda apart
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