Analog Electronics The Barkhausen criterion for an oscillator Both A and C The phase of a feedback signal with respect to input should be 0° or 360° Loop gain should be unity Loop gain should be less than unity Both A and C The phase of a feedback signal with respect to input should be 0° or 360° Loop gain should be unity Loop gain should be less than unity ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The barrier potential across each silicon depletion layer is 0.3 V. 0 V. 1 V. 0.7 V. 0.3 V. 0 V. 1 V. 0.7 V. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics What will be the result if pentavalent impurity is added to pure germanium or silicon ? None of these Intrinsic semiconductor N-type semiconductor P-type semiconductor None of these Intrinsic semiconductor N-type semiconductor P-type semiconductor ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The junction capacitance of linearly graded junction varies with the applied reverse bias, VR as (VR)- 1/2. (VR)1/2. (VR)- 1. (VR)- 1/3. (VR)- 1/2. (VR)1/2. (VR)- 1. (VR)- 1/3. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics When the two input terminals of a differential amplifier are grounded the ac output voltage is zero. an output error voltage usually exists. the collector currents are equal. the base currents are equal. the ac output voltage is zero. an output error voltage usually exists. the collector currents are equal. the base currents are equal. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The voltage across the zener resistance is usually large. measured in volts. small. subtracted from the breakdown voltage. large. measured in volts. small. subtracted from the breakdown voltage. ANSWER DOWNLOAD EXAMIANS APP
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