Question

If a sample of Ge and a sample of Si have the same impurity density are kept at room temperature

a.

both will have equal value of resistivity

b.

both will have equal - ve of resistivity

c.

resistivity of germanium will be higher than that of silicon

d.

resistivity of silicon will be higher than of Ge

Answer: (d).resistivity of silicon will be higher than of Ge

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. If a sample of Ge and a sample of Si have the same impurity density are kept at room temperature

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. Photoelectric emitters in photo tubes are generally made of

Q. Assertion (A): Power transistors are more commonly of silicon npn type.

Reason (R): The fabrication of silicon npn transistors is easy.

Q. In N-type semiconductor

Q. The addition of n type impurity to intrinsic material creates allowable energy levels.

Q. Which of the following elements act as donor impurities?

1. Gold
2. Phosphorus
3. Boron
4. Antimony
5. Arsenic
6. Indium

Select the correct answer using the codes given below:

Q. Which of the following material can be used in cable shields?

Q. The charge of an electron is

Q. The on voltage and forward breakover voltage of an SCR depend on

Q. EG for silicon is 1.12 eV and that for germanium is 0.72 eV. Therefore, it can be concluded that

Q. Assertion (A): The resistivity of intrinsic semiconductor decreases with increase in temperature.

Reason (R): The forbidden gap decreases with increase in temperature.

Q. Before doping the semiconductor material is

Q. The atomic number of silicon is 14. It can be therefore concluded that

Q. X-rays cannot penetrate through a thick sheet of

Q. Ohmic range of metal film resistors is

Q. The depletion layer in a reverse biased p-n junction is due to the presence of

Q. Which materials find application in MASER?

Q. An electrically neutral semiconductor has

Q. Magnetic recording tape is most commonly made from

Q. The Ni-Zn ferrites are used for audio and TV transformers is that

Q. Hall's effect can be used to measure

Recommended Subjects

Are you eager to expand your knowledge beyond Electronics and Communication Engineering? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!