Question

A manganin wire of radius 0.15 mm has a resistance of 5.33  per metre of length.
a .Calculate the resistivity of manganin.
b. Explain how your answer to a would change if the manganin wire had twice the radius

Answer 1

Answer:

Glaciers are melting, sea levels are rising, cloud forests are dying, and wildlife is scrambling to keep pace. It has become clear that humans have caused most of the past century's warming by releasing heat-trapping gases as we power our modern lives. Called greenhouse gases, their levels are higher now than at any time in the last 800,000 years.

Answer 2

Answer:

The beggar (his name was Lushkoff) gives reason to Sergei (an advocate) for his telling lies that nobody give him anything if he tells the truths. So he tells lies to get some money as help