When a pentavalent impurity is added to a pure semiconductor, it becomes________________?

Related Mcqs:

A semiconductor has ______________ temperature coefficient of resistance?

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

When a pure semiconductor is heated, its resistance_________________?

A. Goes up B. Goes down C. Remains the same D. Can’t say...

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...

With forward bias to a pn junction , the width of depletion layer__________________?

A. Decreases B. Increases C. Remains the same D. None of the above...