When a pure semiconductor is heated, its resistance_________________?

Related Mcqs:

A semiconductor has ______________ temperature coefficient of resistance?

A. Positive B. Zero C. Negative D. None of the above...

The resistivity of pure germanium under standard conditions is about_______________?

A. 6 x 104 cm B. 60 x cm C. 3 x 106 cm D. 6 x 10-4 cm...

The impurity level in an extrinsic semiconductor is about_______________of pure semiconductor ?

A. 10 atoms for 108 atoms B. 1 atom for 108 atoms C. 1 atom for 104 atoms D. 1 atom for 100 atoms...

In a semiconductor, current conduction is due to________________?

A. Only holes B. Only free electrons C. Holes and free electrons D. None of the above...

At room temperature, an intrinsic semiconductor has_______________?

A. Many holes only B. A few free electrons and holes C. Many free electrons only D. No holes or free electrons...