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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:
Which of the following statements is correct regarding the oxidation number of Oxygen? I. The oxidation number of Oxygen in most compounds is -2. II. When Oxygen is bonded to Fluorine in compounds like Oxygen difluoride and Dioxygen diflouride, the Oxygen is assigned an oxidation number of +2 and +2 respectively. III. In peroxide, an Oxygen atom is assigned an oxidation number of -1 and in Superoxide, each oxygen atom is assigned an oxidation number of -1/2.
Why are silicon nanowires preferred to planar silicon for their application in solar cell?
Silicon Valley, California, United States is one of the greatest science parks in the world today as it contains hundreds of hightech information technology industries. Which of the following two statements about the Sillicon Valley is correct? A. Silicon Valley was once called the "Valley of Heart's Delight". B. It was so called because hundreds and thousands of varieties of flowers bloomed therein. 
The holes which are left out after oxidation of silicon atoms enter the bulk silicon region.
The line graph L(G) of a simple graph G is defined as follows: There is exactly one vertex v(e) in L(G) for each edge e in G. For any two edges e and e' in G, L(G) has an edge between v(e) and v(e'), if and only if e and e' are incident with the same vertex in G. Which of the following statements is/are TRUE? (P) The line graph of a cycle is a cycle. (Q) The line graph of a clique is a clique. (R) The line graph of a planar graph is planar. (S) The line graph of a tree is a tree.
The mesh-current method 1. works with both planar and non-planar circuits 2. uses Kirchhoff’s voltage law Which of the above is/are correct?
The moment of inertia of a planar square about a planar axis parallel to one side is 10kgm2. What is the moment of inertia about a diagonal?
For a connected planar simple graph G=(V, E) with e=|E|=16 and v=|V|=9, then find the number of regions that are created when drawing a planar representation of the graph?
A double-channel planar buried hetero-structure (DCP BH) has a planar active region, the confinement material is?