Assume that an antenna has a power input of 50 w and a gain
Assume that an antenna has a power input of 50 W and a gain of 30 dB relative to an isotropic radiator. Determine the increase in dB of the received signal at a point where the signal strength is 5 dB below the level of maximum radiation
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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.
If the firm is evaluating a new investment project that has the same risk as the firm's typical project, what rate should the firm use to discount the project's cash flows?
Three charges sit at the corners of an equilateral triangle with sides of length d = 3cm. Calculate the electric potential at the centre of the triangle
Conoly Co. has identified an investment project with the following cash flows. If the discount rate is 10 %, what is the present value of these cash flows? What is the present value at 18%? At 24 %? Year Cash Flow 1 - $960 2 - $840 3 - $935 4 - $1
In an adiabatic compression if one mole of an ideal gas with a Cv=5R/2, the temperature rises from 293 K to 325 K. Calculate the heat, work, change in enthalpy and change in internal energy
A small ball rolls horizontally off the edge of a tabletop that is 1.06 m high. how long was the ball in the air
If the cost of common equity for the firm is 18.2%, the cost of preferred stock is 10.9% , the before tax cost of debt is 7.6% and the firm's tax rate is 35% what is QM's weighted average cost of capital?
One of the home satellite services uses a dish antenna having a diameter of 18" (0.457 m) and frequency of 12.45 GHz. If the illumination efficiency is 70%, determine the gain of the antenna in dB
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