Semiconductor Quiz

The reciprocal of resistivity is known as

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A semiconductor in its purest form is called.......

• Insulator

• Superconductor

• Intrinsic semiconductor

• Extrinsic semiconductor

A doped semiconductor is also known as

• Intrinsic semiconductor

• Extrinsic semiconductor

• Diffused semiconductor

• None of the above

A P-type semiconductor results when

• A pentavalent impurity is added to an intrinsic semiconductor

• A trivalent impurity is added to an intrinsic semiconductor

• Either a pentavalent or trivalent impurity is added to an intrinsic semiconductor

• None of the above

Resistance of given wire is directly proportional to…….

• Length

• area of cross-section

• both a and b

• none of these