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
2). A LED emits visible white light when its Get link Facebook X Pinterest Email Other Apps 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. Get link Facebook X Pinterest Email Other Apps Comments
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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