Analog Electronics A zener diode voltage regulator has load requirement of 12 V and 2 Amp. The zener diode's minimum current requirement is 0.2 A. The minimum voltage at input is 24 V. What is maximum efficiency of circuit? 66.3 %. 45.5 %. 34.3 %. 52.8 %. 66.3 %. 45.5 %. 34.3 %. 52.8 %. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics When the two input terminals of a differential amplifier are grounded the base currents are equal. the ac output voltage is zero. an output error voltage usually exists. the collector currents are equal. the base currents are equal. the ac output voltage is zero. an output error voltage usually exists. the collector currents are equal. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics If the collector resistor is open, the collector voltage is unknown. low. unchanged. high. unknown. low. unchanged. high. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Reverse recovery current in a diode depends upon Temperature. Storage change. PIV. Forward field current. Temperature. Storage change. PIV. Forward field current. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics What is an energy gap? None of these Energy band in which electrons can move freely Space between two orbital shells Energy level at which an electron can exist None of these Energy band in which electrons can move freely Space between two orbital shells Energy level at which an electron can exist ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Electron mobility is defined as Drift velocity per unit field Diffusion velocity per unit field the movement of electrons None of these Drift velocity per unit field Diffusion velocity per unit field the movement of electrons None of these ANSWER DOWNLOAD EXAMIANS APP