Analog Electronics If the collector resistor is open, the collector voltage is unknown. high. unchanged. low. unknown. high. unchanged. low. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The voltage divider biasing circuit is used in amplifiers quite often because it makes the operating point almost independent of β. limits the AC signal going to base. reduces the cost of the circuit. reduces the DC base electric current. makes the operating point almost independent of β. limits the AC signal going to base. reduces the cost of the circuit. reduces the DC base electric current. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Negative feedback in an amplifier Reduces bandwidth Reduces gain Increases noise Increase frequency &phase distortion Reduces bandwidth Reduces gain Increases noise Increase frequency &phase distortion ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Which of the following transistor configuration circuit is much less temperature dependent ? Common base. None of these Common collector. Common emitter. Common base. None of these Common collector. Common emitter. 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 diode. zener resistance. source. series resistor. zener diode. zener resistance. source. series resistor. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics A voltage regulator is a circuit which None of these converts the AC voltage to DC voltage. maintains constant DC output voltage inspite of the fluctu smoothed the AC variation in DC output voltage. None of these converts the AC voltage to DC voltage. maintains constant DC output voltage inspite of the fluctu smoothed the AC variation in DC output voltage. ANSWER DOWNLOAD EXAMIANS APP
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