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electronics and communication engineering exam question papers
1. Why npn-transistors are preferred over pnp-transistors?
(A): Bias voltage required in npn is greater than in pnp-transistors
(B): Bias voltage required in npn is less than in/wp-transistors
(C): Leakage current in npn-transistors is less than pnp-transistors
(D): Mobility of majority carrier in npra-transistors is greater than the mobility of majority carrier in pnp-transistors
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