what types of questions are asked in jee mains in chapter semiconductor device is it enough from NCERT
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Hello,
Only NCERT will not be enough if you want to score good in JEE Main, You will have to clear all the concepts from NCERTs or other reference books and practice MCQ solving from any books like Arihant ,MTG etc. You can also solve previous year question papers to get clear idea about which type of questions are asked in JEE Main.
Following are some of the questions asked in JEE Main on semiconductor topic:
- Q. A semiconductor device is connected in a series circuit with a battery and a resistance. A current is found to pass through the circuit. If the polarity of the battery is reversed, the current drops almost to zero. The device may be
(1)A P-type semiconductor
(2)An N-type semiconductor
(3) A PN-junction
(4)An intrinsic semiconductor
- Q. The probability of electrons to be found in the conduction band of an intrinsic semiconductor at a finite temperature
(a) increases exponentially with increasing band gap
(b) decreases exponentially with increasing ban gap
(c) decreases with increasing temperature
(d) is independent of the temperature and the band gap
Hope this was helpful
All the best!
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