With which one of the following elements silicon should be doped so as to give p type of semicondutor
a. Selenium
b. Boron
c. Germanium
d. Arsenic
Ans. b
Explanation : Boron can easily form positive ion. When silicon is doped with boron, it creates a positive hole and the substance are called p type semicondutor.
Best Chemistry Teacher in Chandigarh and mohali Flame Institute provides top-notch chemistry coaching with expert faculty, offering comprehensive guidance for IIT-JEE chemistry, NEET chemistry, and CBSE chemistry exams. Our students benefit from detailed explanations of organic chemistry, inorganic chemistry, and …
dm-3 sucrose solution at 20 ° C (molar gas constant, R = 8.314 JK -1 mol -1 ; 1 dm-3 = 0.001 m3 ) a. 4870 Pa b. 4.87 Pa c. 0.00487 Pa d. 0.33 Pa Ans. a (17)
