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explain me example12.5 and example 12.6 pg 208 and 209 and even the 3 rd question pg 200 cbse science reader cbse science reader class 10

explain me example12.5 and example 12.6 pg 208 and 209 and even the 3rd question pg 200 cbse science reader 
cbse science reader class 10
 
 

Grade:10

2 Answers

Piyush
askIITians Faculty 112 Points
7 years ago
It would be better if you please write the question.
Sabita Rai
15 Points
3 years ago
Resistance of a meta wire of length 1m is 26ohm at 20℃.If the diameter of the wore is 0.3 mm ,what will be the resistivety of the  metal at that temperature?
 
 

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