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Effect of impurities on resistivity:
A small percentage of impurities can result in substantial increase in resistivity i.e. decrease in the conductivity.
Mathematically, it can be represented as
Ρalloy = Ρmetal + YPi
Where
Palloy → resistivity of alloy.
Pmetal → resistivity of parent metal
Pi → resistivity of impurity added
conclusion on colloid
A 64-g sample of germanium-66 is left undisturbed for 12.5 hours. At the end of that period, only 2.0 g remain. What is the half-life of this material? 4. With a half-life of 28.8
introduction to chemical bonding
Charactaristics of elements of group
advantages and dis advantages?
The covalent bond produced by the unequal sharing of electrons among the two atoms is known as polar covalent bond.
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scale and sludge formation
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