A_SYSTEM_HAS_A_GAIN_OF_80_DB_WITHOUT_FEEDBACK,_IF_THE_NEGATIVE_FEEDBAC – McqOptions

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1.	A_SYSTEM_HAS_A_GAIN_OF_80_DB_WITHOUT_FEEDBACK,_IF_THE_NEGATIVE_FEEDBACK_IS_1/50TH._WHAT_IS_THE_CLOSED_LOOP_GAIN_OF_THE_SYSTEM_IN_DB_WITH_THE_ADDITION_OF_THE_NEGATIVE_FEEDBACK??$
A.	34db
B.	40db
C.	30db
D.	42db
Answer» B. 40db

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