Analog Electronics The expression for frequency of oscillations of a RC phase shift oscillator is f = 1 / (2π RC√6) None of these f = 1 / (2π√RC) f = 1 / (2π√R(C1 + C2)) f = 1 / (2π RC√6) None of these f = 1 / (2π√RC) f = 1 / (2π√R(C1 + C2)) ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics At the unity-gain frequency, the open-loop voltage gain is 1. AV(mid). zero. very large 1. AV(mid). zero. very large ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Barrier potential at the temperature (25°C) is 0.7 V, its value at 125°C is 0.3 V. 0.5 V. 0.7 V. 0.9 V. 0.3 V. 0.5 V. 0.7 V. 0.9 V. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Voltage Series (feedback also called series-shunt feedback) results in Decrease in input impedance & increase in output impedance Increase in both input & output impedances Decreases in both input & output impedances Increase in input impedance & decreases in output impedance Decrease in input impedance & increase in output impedance Increase in both input & output impedances Decreases in both input & output impedances Increase in input impedance & decreases in output impedance ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Which is the factor on which total number of electrons in an atom depends ? atomic number atomic size atomic weight None of these atomic number atomic size atomic weight None of these ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Junction field effect transistors (JFET) contain how many diodes? 2. 1. 4. 3. 2. 1. 4. 3. ANSWER DOWNLOAD EXAMIANS APP
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