Analog Electronics Voltage Series (feedback also called series-shunt feedback) results in Decrease in input impedance & increase in output impedance Increase in input impedance & decreases in output impedance Increase in both input & output impedances Decreases in both input & output impedances Decrease in input impedance & increase in output impedance Increase in input impedance & decreases in output impedance Increase in both input & output impedances Decreases in both input & output impedances ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Voltage controlled oscillators are used commonly in Phase Clocked loops Pulse Modulators Frequency Modulators Phase Clocked loops All the above Frequency Modulators Phase Clocked loops Pulse Modulators Frequency Modulators Phase Clocked loops All the above Frequency Modulators ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The input voltage to an emitter follower is usually greater than the generator voltage. equal to the generator voltage. equal to the supply voltage. less than the generator voltage. greater than the generator voltage. equal to the generator voltage. equal to the supply voltage. less than the generator voltage. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics If the base resistor has zero resistance, the transistor will probably be destroyed. saturated. in cutoff. None of these destroyed. saturated. in cutoff. None of these ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics If the emitter resistance increases, the collector voltage increases. decreases. breaks down the transistor. stays the same. increases. decreases. breaks down the transistor. stays the same. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The following are the necessary requirements of an oscillator Both A and B Amplitude stability Frequency stability Power stability Both A and B Amplitude stability Frequency stability Power stability ANSWER DOWNLOAD EXAMIANS APP
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