Explain the principle and operation of (i) SCR (ii) UJT ( $\mathbf{4} \boldsymbol{\times} \mathbf{2 0} \boldsymbol{=} \mathbf{8 0}$ Marks)
Explanation
The SCR and UJT are two important semiconductor devices that have a wide range of applications in electronics. Understanding their principles and operations is crucial for designing and optimizing electronic circuits.
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