Analog Electronics Voltage Series (feedback also called series-shunt feedback) results in Increase in input impedance & decreases in output impedance Decreases in both input & output impedances Increase in both input & output impedances Decrease in input impedance & increase in output impedance Increase in input impedance & decreases in output impedance Decreases in both input & output impedances Increase in both input & output impedances Decrease in input impedance & increase in output impedance ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics When the current gain increases from 50 to 300 in an emitter-biased circuit, the collector current increases by a factor of 6. is zero. remains almost the same. decreases by a factor of 6. increases by a factor of 6. is zero. remains almost the same. decreases by a factor of 6. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Which of the following is trivalent impurity ? Boron Silicon Antimony None of these Boron Silicon Antimony None of these ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The forbidden energy gap between valance band and conduction band in semiconductor material is about 0 eV None of these 1eV 15 eV 0 eV None of these 1eV 15 eV ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics A JFET can operate in enhancement mode only. none of these. depletion and enhancement mode only. depletion mode only. enhancement mode only. none of these. depletion and enhancement mode only. depletion mode only. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The percentage voltage regulation of voltage supply providing 100 V unloaded and 95 V at full load is none of them. 0.53 %. 5 %. 5.3 %. none of them. 0.53 %. 5 %. 5.3 %. ANSWER DOWNLOAD EXAMIANS APP
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