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1-The metal gold, with an atomic radius of 144.2 pm, crystallizes in a face-centered cubic lattice. What is the density of gold?
2-Ytterbium crystallizes in a face-centered cubic lattice. The radius of ytterbium is 198 pm. What is the edge length of the unit cell?
3-Lithium chloride crystallizes in a face-centered cubic structure. The unit cell length is 5.14 ? 10-8 cm. The chloride ions are touching each other along the face diagonal of the unit cell. The lithium ions fit into the holes between the chloride ions. What is the mass of LiCl in a unit cell?
4-Lithium chloride crystallizes in a face-centered cubic structure. The unit cell length is 5.14 ? 10-8 cm. The chloride ions are touching each other along the face diagonal of the unit cell. The lithium ions fit into the holes between the chloride ions. What is the mass of LiCl in a unit cell?
What is the symbol rate and what is the bandwidth occupied by the 16-QAM signal? The link must maintain a BER no higher than 10^-6. What is the minimum CNR in the receiver to meet this requirement?
In a Built in Self Test, for a combinational logic system, what are the advantages of using a counter instead of an ALFSR to generate testing vectors for 2 cases.
An LED is rated at VF=1.6V to 2.0V at IF=20mA. What value of series resistance is needed to limit the LED current to 20mA when this LED is connected to a 32 v peak source (that is, a source having a peak voltage of 32 v)
A DSSS-CDMA signal has a chip sequence that is 1,000 chips in length. The sequence repeats every millisecond. Define DSSS-CDMA Chip Sequence
A baseband sine wave signal with frequency 4.0 kHz is modulated onto a carrier at 1.050 MHz using DSB-LC AM. What are the frequencies of the sidebands of the RF signal?
Control Systems- PID Controller, Which one of the following statements regarding the operation of a PID controller is definately false?
Consider a network with a driving-impedance Z. (1) Find expression for P and Q. (2) Find p(t) in terms of P and Q. (3) Suppose that the network is a series RLC. Interpret the result in part (2).
What is bit rate of the transmission on the twisted pair? If the digital outputs of three identical video cameras are combined onto a single cable using time division multiplexing, what is the bit rate on the cable?
A sequential circuit has two inputs w 1 and w 2 , and an output, z. Derive a suitable circuit for the given condition.
What are the positive and negative implications of wireless energy?
by finding the relevant air analysis, determine the partial pressure of nitrogen in the athmosphere at 1.00bar.f a sample of air at this pressure and 10°C was put nto a rigid container and then itd temperature raised to 91°C, what would be the pre..
electronic technology in relationship to the use of personnel and access control, surveillance, and identification of authorized personnel.
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