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অর্ধ- পরিবাহী ডায়োড তৈরি করার জন্য প্রয়োজন -
Two n-type semiconductors
Two p-type semiconductors
Two p-type and one n-type semiconductors
One p-type and one n-type semiconductors
ANSWER : 4
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<p style="margin-left:0px;"><strong>One p-type and one n-type semiconductors</strong></p><p style="margin-left:0px;">An ordinary diode requires a junction between a p-type and an n-type semiconductor material. The p-type material has a surplus of positive charge carriers (holes), while the n-type material has a surplus of electrons. This creates a depletion region at the junction where both types of carriers are depleted, acting as a barrier to current flow in one direction.</p><p style="margin-left:0px;">Therefore, both two p-type and two n-type semiconductors alone would not create the necessary junction for a functioning diode.</p>
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