Analog Electronics The Barkhausen criterion for an oscillator The phase of a feedback signal with respect to input should be 0° or 360° Both A and C Loop gain should be unity Loop gain should be less than unity The phase of a feedback signal with respect to input should be 0° or 360° Both A and C Loop gain should be unity Loop gain should be less than unity ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Which are the mobile charge carriers present in semiconductor diode ? Electrons Neutrons Holes Both A & B Electrons Neutrons Holes Both A & B ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics When the diode is forward biased, it is equivalent to an on switch. an off switch. None of these a high resistance. an on switch. an off switch. None of these a high resistance. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics What is true about the breakdown voltage in a zener diode? It destroys the diode. It equals the electric current times the resistance. It is approximately constant. It decreases when electric current increases. It destroys the diode. It equals the electric current times the resistance. It is approximately constant. It decreases when electric current increases. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics A diode (P-N junction) has two terminals. The P-terminal is known as Anode Either anode or cathode Cathode None of these Anode Either anode or cathode Cathode None of these ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics In the second approximation, the total voltage across the zener diode is the sum of the breakdown voltage and the voltage across the zener resistance. source. series resistor. zener diode. zener resistance. source. series resistor. zener diode. ANSWER DOWNLOAD EXAMIANS APP
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