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Q1. An NPN common emitter transistor, if operated without d-c bias, can be employed as?

A. d-c restorer
B. Negative peak clipper
C. Positive peak clipper
D. Baseline stabilizer

Q2. Determine the bandwidth of an amplifier which produces a square wave with a rise time of 2 msec (Microseconds)?

A. 20 kHz
B. 57 kHz
C. 70 kHz
D. 175 kHz

Q3. The benefit of direct - coupled amplifiers is that they?

A. Makes ideal clippers
B. Makes ideal limiters
C. Can amplify a signal without inverting it
D. Can amplify a signal with no changing its d-c reference level

• Category:- Physics
• Reference No.:- M99791

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