9. Given: Depth, ft k, md 4100-4101 295 4101-4102 262 4102-4103 88 4103-4104 87 4104 4105 168 4105-4106 71 4106-4107 62 4107-4108 187 4108-4109 369 4109-4110 77 4110-4111 127 4111-4112 161 4112-4113 50 4113-4114 58 4114-4115 109 4115-4116 228 4116-4117 282 4117-4118 776 4118-4119 87 4119-4120 47 4120-4121 16 4121-4122 35 4122-4123 47 4123-4124 54 4124 4125 273 4125-4126 454 4126-4127 308 4127-4128 159 4128-4129 178 Calculate: a. Average permeability b. Permeability variation c. Lorenz coefficient

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Properties of Aluminium

Aluminum (or Aluminum) is a silvery-white in color metal. The chemical symbol of aluminum is Al and it has an atomic number (Z) of 13 in the periodic table. The aluminum name for this metal is derived from the Latin word ‘alumen’, which means bitter salt. Aluminum was discovered in the year 1825 by Hans Oersted, and later Friedrich Wöhler isolated aluminum. It is the most commonly found metal in the earth’s core, which is around 8% of the total core mass. Moreover, it is the third most commonly found element on earth after oxygen and silicon. Electron distribution of aluminum per shell is 2, 8, and 3 with a valency of 3. Atomic weight is nearly 26.9815 u.