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A particular design of the wide-swing current mirror of Fig. 13.13(b) utilizes devices having W/L = 20, K1n = 400 μA/V2, and Vt = 0.45 V. For IREF = 90 μA, what value of VBIAS is needed? Also give the voltages that you expect to appear at all nodes and specify the minimum voltage allowable at the output terminal. If VA is specified to be 10 V, what is the output resistance of the mirror?
crossed electric and magnetic fields are established over a certain region. the magnetic field is 0.671 t vertically
An astronaut of 100 kg (including space suite) is conducting a apcewalk and exerts a force of 40 N on a 10000 kg spacecraft. What force is exerted on the astronaut by the spacecraft
The molecular mass of helium is 4 g/mol, the Boltzmann's constant is 1.38066 × 10?23 J/K, the universal gas constant is 8.31451 J/K · mol, What is the average kinetic energy of each helium atom
A power supply maintains a potential difference of 79.1 V across a 1.69 KQ resistor. What is the current in the resistor in millamperes
In the Bohr theory of the hydrogen atom, an electron moves with constant speed in a circular orbit about a proton, where the radius of the orbit is 0.53 x 10-10 m, Determine the electrostatic force exerted by the proton on the electron
In electronics it is customary to describe the potential of ground (thinking of the earth as a large conductor) as zero. Is this consistent with the fact that the earth has a net electric charge that is not zero? (Refer to ex. 21.32)
An aluminum cup of mass 210 g contains 800 g of water in thermal equilibrium at 80.0°C. find At what rate is energy being removed by heat
Gas is confined in a tank at a pressure of 10.9 atm and a temperature of 23.0°C. find what is the pressure of the gas remaining in the tank
Give a definition of "laissez faire" economics. (An economic doctrine that opposes government regulation of or interference in commerce.) Explain why do you think this was the dominant political and legal view in the 1800s and early 1900s?
Suppose a tank contains 680 m3 of neon (Ne) at an absolute pressure of 1.01 x 10^5 Pa. What is the increase in the internal energy of the neon
If 640-nm light falls on a slit 0.0525mm wide, what is the angular width of the central diffraction peak
A ball rotates in a circle of radius 20.0 cm, making one complete revolution every 2.00 s. What are (a) the speed of the ball, (b) the frequency of motion in hertz, and (c) the angular speed of the ball?
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