Analog Electronics For audio frequency applications, the popular oscillator used is Crystal oscillator Phase shift oscillator Wien bridge oscillator Hartley oscillator Crystal oscillator Phase shift oscillator Wien bridge oscillator Hartley oscillator ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The Barkhausen criterion for an oscillator Both A and C Loop gain should be less than unity The phase of a feedback signal with respect to input should be 0° or 360° Loop gain should be unity Both A and C Loop gain should be less than unity The phase of a feedback signal with respect to input should be 0° or 360° Loop gain should be unity ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics When the source voltage increases in a zener regulator, which of these electric current remain approximately constant ? Series current. Load current. None of these. Zener current. Series current. Load current. None of these. Zener current. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics What is the most important fact about the collector current? It equals the base current divided by the current gain. It is measured in milliampere. It approximately equals the emitter current. It is small. It equals the base current divided by the current gain. It is measured in milliampere. It approximately equals the emitter current. It is small. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics If the base resistor is very small, the transistor will operate in the All of these cutoff region. active region. saturation region. All of these cutoff region. active region. saturation region. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The majority carrier in P-type extrinsic semiconductor material is None of these Both Holes and Electrons Holes Electrons None of these Both Holes and Electrons Holes Electrons ANSWER DOWNLOAD EXAMIANS APP
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