1.

A wire of 3 ohms resistance and 15 cm in length is stretched to 45 cm in length. Calculate the following: i) New cross sectional area ii) New resistance iii) Resistivity. Assume that wire has a uniform cross sectional area.

Answer»

A wire of 3 ohms resistance and 15 cm in length is stretched to 45 cm in length. Calculate the following:

i) New cross sectional area

ii) New resistance

iii) Resistivity.

Assume that wire has a uniform cross sectional area.



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