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Q. Amicrowave relay systemuses two identical horn antennas mounted on towers spaced 40 km apart. If fc = 6 GHz, and each relay hop has L = 60 dB, calculate the antenna aperture area Ae in square meters.
N-type semiconductor is an example of (A) Extrinsic semiconductor. (B) Intrinsic semiconductor. (C) Super conductor. (D) Insulators.
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Structure and use of PNP transistor: The figure opposite is a schematic presentation of a PNP transistor related to two voltage sources. To construct the transistor conduct ap
Edge detector Apply the Canny edge detector to image class.png. To compute Canny edges: help edge edge(im,'canny',[thres1 thres2],sigma) (i) Compute edges for
(a) Some antennas have a physical aperture area A that can be identified and is related to the effective area A e by A e = ρ a A, where ρ a is known as the aperture efficiency.
The mobility of free electrons and holes for pure silicon are 0.13 and 0.05 m2/V-S respectively. Find the intrinsic conductivity for silicon. Assuming ni = 1.5x 1016/cm3 at room te
Q. Consider an ampli?er as a voltage source with an internal resistance of 72 . Find the turns ratio of the ideal transformer such that maximum power is delivered when the ampli?e
Factors Affecting Choice of Observation: Observers are influenced by a number of factors in the process of observation. Black and champion have identified three such factors.
Calculate Voltage and Current Phasors on a Phasor Diagram A synchronous motor is operated at rated load and unity power factor. The field current is increased by 20%. Show the
1. In the circuit shown below, the capacitor initially has a voltage across it 4 Volts (at t = 0). a. Write down the expression for V C (t) when the switch is closed. b. Wr
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