Question
The resistivity of the alloy manganin is (nearly independent of / increases) rapidly with increase of temperature.
Solution
The resistivity of alloy manganin is nearly independent of temperature.
In alloys, the atoms are arranged in a disorderly fashion and hence, they have higher resistivity. With increase in temperature, the collision or randomness of atoms increases causing a higher resitiveity which is insignificant.
In alloys, the atoms are arranged in a disorderly fashion and hence, they have higher resistivity. With increase in temperature, the collision or randomness of atoms increases causing a higher resitiveity which is insignificant.
