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A resistance strain guage with a guage factor sigma/3 is lastened to a steel member subjected to a stress of 100 N/mm2 . the modulus of elesticity of steel is approximately 2*105 N/mm2 . the percentage change in resistance
The input impedance of a certain antenna is 30+ j40 ohms and the rms voltage across the terminal is 100 V. If the antenna were 100 percent efficient, determine the total radiated power in watts.
What are two of the major considerations that factor in the design of a substation. Give a couple of examples of station layouts where these factors are clearly demonstrated. What typical grounding materials are used in substations.
A circuit consists of two impedances, Z1=20/_30 ,Z2=14.14/_-45 , in parallel, supplied by a sourcevoltage V=100/_60. Determine the power triangle for each of the impedances and for the source.
PRESENT AND FUTURE VALUES FOR DIFFERENT INTEREST RATES: Find the following values. Compounding / discounting occurs annually. a. An initial $500 compounded for10 years at 6 % b. An initial $500 compounded for 10years at 12%
A minimum solution requires six states. Design your circuit using NAND gates, NOR gates, and three D flip-flops. Any solution which is minimal for your state assignment and uses eight or fewer gates and inverters is acceptable. (Assign 000 to the ..
A silicon abrupt junction in thermal equilibrium at T= 300k is doped such that Ec-Ef = 0.21eV in the n region and Ef - Ev = 0.18eV in the p region. Determine the impurity doping concentrations in each region.
Draw a developed diagram for simplex wave winding for 4-pole generator with 36 armature conductors. Indicate the position of brushes.
(a) How much work is done by the electric field due to the sheet if a particle of charge q = +1.60 × 10-19 C is moved from the sheet to a point P at distance d = 3.38 cm from the sheet b) If the electric potential V is defined to be zero on the she..
Describe what cross-over distortion is. What types of amplifiers is itmost prevalent in. How can it be controlled. When is itmost troublesome. How might it's level be specified inan amplifier design.
Input resistance Rin=20K When fed from a signal source with a peak amplitude of 0.1v and a source resistance of 20k , the peak amplitude v(pi)is 5mv. specify Re and bias current Ic. The BJT has beta =100.
look at the sun through goggles that have been coated with a thin layer of highly conductive metal such as silver. BRiefly explain why and in which way the color of light will be altered.
Consider an electric circuit consisting of a parallel RC circuit,where the resistance R is one kilo-ohm and the capacitance is 100 microfarads. A current source Is(t) is applied in parallel to the resistor and the capacitor.
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