Your design must be practical that can be fabricated and used in
circuits.
1- Design a GaAs p-n junction diode that can deliver 10 uA at a
forward voltage of 1.1 V and breakdown at a breakdown voltage of
30V. The life time τn =40 ns and τp= 100 ns. Obtain the diffusion
capacitance (Cd) and the junction capacitance (CJ)
In: Physics
A properly insulated, tightly wound, 86 cm solenoid is made from wire that is 0.43 mm in diameter. When steady current flows through the solenoid, a potential difference of 40 V is measured across the solenoid terminals. The field inside the solenoid is measured to be 0.4 mT, and the cross section of the solenoid is 3 cm^2. What is the resistivity of the wire material?
In: Physics
A baseband signal s(t) = 10Cos(3000*pi*t + 30) V, is wideband fm
modulated (Z(t)) with carrier amplitude of 50V. The index of
modulation is B = 4.
a) Show the simplified equation of Z(t).
b) Determine the wideband FM power using Bessel fnc. Table
c) Calculate Kf in the Z(t) equation.
In: Electrical Engineering
DO ALL QUESTIONS
STEAM TABLE PROBLEMS
For problems 8-9, write the state the water is in. Calculate steam quality or degrees of superheat if applicable.
8. What is the temperature of steam if 3600 kPa and H= 1500 kJ/kg? What is the specific volume?
9. What is the temperature and enthalpy of steam if P= 11200 kPa and V= 33 cm3 /g?
In: Other
Consider a salient-role generator delivering power
through a short transmission line to an infinite bus V∞=1∠0°,
|Ea|=1.5. The active power delivered to the infinite bus is 0.7. We
are given the generator reactances Xd=1.6 and Xq=1.0 and the line
reactance XL=0.3. Neglect resistances, draw the phasor diagram and
find Ea and Ia.
In: Electrical Engineering
Describe evidence that supports boyles law, PV = constant for an
isothermal process. describe difficulties for exploring this
law
Describe evidence that supports gay-lussac's law, p/t = constant
for an isovolumeteric process. describe difficulties exploring this
law
Describe evidence that supoorts charle's law, v/t=constant for an
isobaric process. describe difficulties exploring this law
In: Physics
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Normal saline (0.9% w/v) solution has the same osmotic pressure as human blood. The solution is made by dissolving 0.9 g of NaCl in 100 mL of water. Calculate the osmostic pressure of a 0.9% saline solution at 37 oC (normal human body temperature.) (Hint: remember that NaCl dissociates into ions when it dissolves!) π = ___ atm |
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In: Chemistry
0.5 kg of R12 are contained in a piston/cylinder and has a quality of 75% and a temperature of 0 C. Heat is transferred at constant pressure until the R12 is a saturated vapor. Determine: a) the initial volume of the R12; b) the work done; c) the heat transfer; d) the T-v diagram.
Ans:
a) 0.0208 m3 b) 2.13 kJ c) 18.9 kJ
In: Mechanical Engineering
A closed rigid tank contains 2 kg of water at 80 C and
quality of 0.5815. The tank is then heated until it contains
only
saturated vapor. How much heat (in kJ) is added to reach this
condition? Include a drawing and plot the process on a P-V
diagram.
Organize the solution as
Given and drawing:
Assumptions:
First Law Analysis:
Solution:
PV diagram:
In: Physics
Question 1
A series RLC circuit has a capacitor with a capacitance of 36.0 ?F , an inductor with an inductance of 0.300 H and a resistor with a resistance of 65.0 ?. The circuit is attached to a source that has a rms voltage of 52.0 V and a frequency of 85.0 Hz. What is the peak current, the phase angle and the average power loss?
The Peak Current:
The Phase Angle:
The Average Power Loss:
In: Physics