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
4). The Boolean expression for Exculsive OR gate (X-OR gate) is Get link Facebook X Pinterest Email Other Apps February 14, 2023 (a) A+B (b) A⊕π΅ (c) π΄ + π΅ (d) A.B Ans: (b) A⊕π΅ 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 Ξ² =75 and IE = 7.5 mA. The value of Ξ± 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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