My Report

Engineering Physics II Practice Test 7


Correct Answer: 2 points | Wrong: -1 point
Grades: A* (100% score) | A (80%-99%) | B (60%-80%) | C (40%-60%) | D (0%-40%)
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1. The process of breakdown is accelerated by the presence of ____________

2. Thermal conductivity is due to photons.

3. Rochelle salt is ferroelectric only in the Temperature range 255 K to 296 K.

4. Semiconductor acts as an insulator in the presence of impurities.

5. How are charge carriers produced in intrinsic semiconductors?

6. Beyond breakdown voltage, dielectrics become insulating.

7. Which column elements are combined to make compound semiconductors?

8. Which method can be used to distinguish between the two types of carriers?

9. The dielectric constant of helium is 1.000684. If N is 2.7 X 1025 atoms/m3, what is the radius of the electronic cloud?

10. What type of material is obtained when an intrinsic semiconductor is doped with trivalent impurity?


 

Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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