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Two speakers are driven by the same oscillator whose frequency is f. They are located a distance d from each other on a vertical pole. A man walks straight toward the lower speaker in a direction perpendicular to the pole, as shown in figure.
(a) How many times will he hear a minimum in sound intensity?
(b) How far is he from the pole at these moments? Let v represent the speed of sound, and assume that the ground does not reflect sound.
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i am class 12 student given an assignment on ''to study the truth operation performed by OR GATE.'' please help me with the assignment
Q. Collector current I c =20 mA and base current I b = 50 A. Find current gain β of a transistor. β = I C / I B = 20 X 10 -3 / 50 X 10 -6 = 400
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The P.D. at the feeder end of a two wire d.c. distributor is 600 volts. Two loads are connected to the distributor at distances of 600 feet and 1000 feet from the feeder end and t
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