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How many atoms are found inside a unit cell of a simple cubic, body-centered cubic, and faced-centered cubic crystal?How far apart interms of lattice constant a are nearest neighbor atoms in each case, measured from center to center?
Explain the operation of sequential logic devices and evaluate the output waveform in relation to the clock for QA, QB and QC in the subsequent circuit and show the binary sequence represented by these waveforms
A series circuit has a 1k(ohm) resistance and a 1k(ohm) inductive reactance. v1= 1 vrms a. what is the impedance of the circuit in rectangular form b. the frequency is given as 1kHz, what is the inductance of the coil L= c.
Design a simple unipolar drive circuit such that the electrical time constant is 2 msec at phase turn-on and 1 msec at turnoff. The stepping rate is 300 steps per second. A three-phase variable-reluctance stepper motor has parameters.
Implement switching function of 4 variables H(A,B,C,D)= AB'+BC+A'CD using a 4 to 1 Multiplexer and any number of 2 to 1 multiplexer. One can select any 2 variables (for example, AB or CD) as select inputs of one 4 to 1 multiplexer.
Three loads are connected in parallel across a single-phase source voltage of 240 V (RMS). Load 1 absorbs 12 kW and 6.667 kVAR; Load 2 absorbs 4 kVA at 0.96PF leading; Load 3 absorbs 15 kW at unity power factor.
The objective is to design a discrete common-emitter amplifier, the common-emitter amplifier is to have the following specifications: single ended input and output Av approximately 20 in the midband 3-dB bandwidth extending from 10 Hz
20 SI fibers, 2 km long each, are spliced together for a 40 km link. Each fiber has a loss rate of 1-dB/km and a numerical aperture of 0.24. Each splice adds 0.5 dB of loss. A laser diode has a threshold current of 10 mA and emits at 3 mW/mA rate.
Discuss different types of addressing modes of HCS12. What is a relative addressing mode What is the difference between a direct and an extended addressing mode Discuss how Registers X and Y are used in index addressing mode.
A 10m diameter cylindrical tank is emptied by a constant outflow of 1 m3 /min. A two position controller is used to open and close a fill valve with an open flow of 3 m3 /min. For level control the neutral zone is 1m and the setpoint is 10m.
The motor driven by a switch-mode dc-dc converter, which has a bus voltage of 200V. The switching frequency fs = 25 kHz. Calculate and plot the waveforms for va(t), ea(t), ia(t), and id(t) under the following conditions
Consider a satellite communication link with a one way propagation delay of 300ms between the sender and receiver, operating at 10Mbps using packets of length 1500bytes. Length of the ACK packet is also 1500 bytes.
1- Describe the function of the program. DO NOT WRITE THE OPERATION OF EACH INSTRUCTION 2- Assuming that the branch instruction is executed (the branch is taken), comput the number of clock cycles required to execute the loop (DECA or BNE AGAIN)
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