What is electrical resistivity? In a series electrical circuit comprising a resistor made up of a metallic
ammeter reads 5 A. The reading of the ammeter decreases to half when the length of the wire is double
30. Express Joule's law of heating mathematically. What is the resistance of 12 m wire having radius 2
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29. ?
and specific resistivity 3.14 x 10-8 m?
msan experiment with 4 cells and a resistance wire and an ammeter in series an
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friends I needs 4 brainliest answer please help me u know na do good have good
friends I needs 4 brainliest answer please help me u know na do good have good
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