NEET Physics Semiconductor Electronics Questions Solved

Wires P and Q have the same resistance at ordinary (room) temperature. When heated, resistance of P increases and that of Q decreases. We conclude that

(a) P and Q are conductors of different materials

(b) P is N-type semiconductor and Q is P-type semiconductor

(c) P is semiconductor and Q is conductor

(d) P is conductor and Q is semiconductor

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