A) low cost
B) low dissipation energy
C) capability of handling large power
D) electrons having high mobility than holes
Correct Answer: D
Solution :
n-p-n transistor is formed by combining two n-type crystals between which a thin p-type crystal is there. Electrons are charge carriers within the n-p-n transistor whereas holes are charge carriers within the p-n-p transistor. Since, electrons move more easily than holes, hence n-p-n transistors are preferred compared to p-n-p.
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