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Silicon devices can be employed for a higher temperature limit (190°C to 200°C) as compared to germanium devices (85°C to 100°C). With respect to this, which of the following are incorrect? 1) Higher resistivity of silicon 2) Higher gap energy of silicon 3) Lower intrinsic concentration of silicon 4) Use of silicon devices in high-power applications Select the correct answer using the code given below:
What is correct about external emergency as per Article 352? i. It is proclaimed by the President. ii.. It should be approved by Parliament within two months. iii. It should be approved by Parliament within one month. iv. It should be approved by Parliament by simple majority. v. It should be approved by Parliament by 2/3 majority. vi. It can be revoked by simple majority of Parliament. vii. It can be revoked by 2/3 majority of Parliament. viii. It can be approved in joint session of Parliament. 
The three major problems faced in the process of partition of India were:
1. Areas were supposed to be distributed on the basis of religious majority.
2. No single belt of Muslim majority was the part of British India. They were concentrated in east and west.
3. Some Muslim majority areas did not want to be merged with Pakistan.
4. Another problem belonged to majority on both sides of border.
Select the correct answer from the options given below:
In n type semiconductor, electrons are majority charge carriers but it does not show any negative charge. The reason is 
The operation of JFET involves mainly: (a) Flow of Minority carriers (b) Flow of Majority carriers (c) A very high input impedance (d) Negative resistance   Which of the following is correct?
The number of majority carriers that are available for recombining with excess minority carriers decreases as the excess semiconductor becomes intrinsic. Is it true?
The Taxi charges in a city consist of a fixed charge together with the charge for the distance covered. For a distance of 7 km, the charge is Rs. 27 and for a distance of 5 km, the charge is Rs. 21. What is the charge per km?
What accounts for the flow of charge carriers in forward and reverse biasing of silicon p-n diode -
What accounts for the flow of charge carriers in forward and reverse biasing of silicon p-n diode?
Advantage of Schottky diode over silicon crystal diode is the presence minority charge carriers.