1. The electron and hole concentrations in an intrinsic
semiconductor are ni per cm3 at 300oK. Now, if
acceptor
impurities are introduced with a concentration of NA per cm3
(where NA > ni ),
then electron concentration per cm3
at 300oK will be
2. In a P+N junction diode under reverse bias, the
magnitude of
electric field is maximum at
3. The correct full wave rectifier circuit is :
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