8). For which logic gate the following statement is true The output is low, if and only if all inputs are low Get link Facebook X Pinterest Email Other Apps February 14, 2023 (a) AND (b) NOR (c) NAND (d) OR Ans : (d) OR Get link Facebook X Pinterest Email Other Apps
Write note on Rhombic Sulphur? Get link Facebook X Pinterest Email Other Apps December 27, 2022 This is the most stable and common form of sulphur. It is pale yellow solid, having specific gravity 2.06 g/cm³ and melting point 385.5K It is insoluble in water but soluble in CS2.It is Obtained by Evaporation of Sulphur in CS2 Solution. It Consists of S8 Molecules in which eight suphur atoms form puckered ring in crown shape. S-S Bond length is 2.04 pm with S-S-S bond angle 107°. Get link Facebook X Pinterest Email Other Apps Comments
2). A LED emits visible white light when its February 14, 2023 (a) junction is reversed biased (b) depletion layer widens (c) holes and electrons recombine (d) junction becomes hot Ans: (c) holes and electrons recombine. Read more
3). Solar cell operates on a principle of February 14, 2023 (a) diffusion (b) recombination (c) photovoltaic action (d) carrier flow Ans: (c) photovoltaic action Read more
6). For a transistor β =75 and IE = 7.5 mA. The value of α is…. February 14, 2023 (a) 0.1 (b) 0.66 (c) 0.75 (d) 0.98 Ans: (d) 0.98 Read more
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