Analog Electronics One of the following is the primary function of an oscillator generates non sinusoidal waveforms produces sinusoidal oscillations generates sustained oscillations at a constant amplitude and specific frequency None of these generates non sinusoidal waveforms produces sinusoidal oscillations generates sustained oscillations at a constant amplitude and specific frequency None of these ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Voltage Series (feedback also called series-shunt feedback) results in Increase in input impedance & decreases in output impedance Increase in both input & output impedances Decrease in input impedance & increase in output impedance Decreases in both input & output impedances Increase in input impedance & decreases in output impedance Increase in both input & output impedances Decrease in input impedance & increase in output impedance Decreases in both input & output impedances ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Why is silicon preferred than germanium ? Silicon has higher tolerance to temperature Current sensitivity of silicon with temperature is less Leakage current due to minority charge carrier is less in silicon All the above Silicon has higher tolerance to temperature Current sensitivity of silicon with temperature is less Leakage current due to minority charge carrier is less in silicon All the above ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The current gain of a bipolar transistor drops at high frequencies because of Transistor capacitances The early effect Parasitic inductive elements High current effects in the base Transistor capacitances The early effect Parasitic inductive elements High current effects in the base ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics A 741-type OP-amp has a gain-bandwidth product of 1MHz.A non-inverting amplifier using this opamp & having a voltage gain of 20db will exhibit -3db bandwidth of 50 KHz 1000/7.07 KHz 100 KHz 1000/17 KHz 50 KHz 1000/7.07 KHz 100 KHz 1000/17 KHz ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics In n type semiconductor elements of which group of periodic table is added as dopant group 5. group 3. group 2. group 4. group 5. group 3. group 2. group 4. ANSWER DOWNLOAD EXAMIANS APP
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