A copper transmission line is to be replaced by one of aluminum having the same total resistance. If the cross sectional area of the copper wire is 0.005m2 , what would be the cross sectional area of the new aluminum wire? Note: DRAW THE DIAGRAM

Q: Calculate the resistance of wire Given data - Length = 150 m Cross sectional area = 0.2 mm²…

A: given length  , cross sectional area , resistivity of a wire and asked to find the resistance.

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A: A network problem on finding resistance. Look below the explaination..

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Q: what is the resistance

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A: As per our guidelines, we are supposed to answer only one question. Kindly repost other questions as…

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Q: the resistance of 600 ft length of #10 awg copper wire

A: Given length (l)= 600 ft            = 600ft × 304.8           = 182880 mm 10 AWG= diameter(d) =2.59…

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Q: 6. A length of a copper telephone line has a resistance of 24 ohms at 20°C. What is the resistance…

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Q: Find the correct relation between current and current density Your answer

A: The solution is given below

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A: Answer is  Option :b

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Photoelectric

The photoelectric effect occurs when light (or similar incident radiation, including X-rays) falls on material together with a metal plate and causes it to emit electrons. The discovery of the photoelectric effect led to important new theories (and to a Nobel Prize for Albert Einstein). Photoelectric cells, or photocells, are utilized in burglar-alarm light detectors and garage-door openers (each employs a through-beam of light this is broken when something movements throughout it), and also to play soundtracks on film movies (in which a light beam shines through the soundtrack encoded at the film and is "read" with the aid of the photocells).