Analog Electronics A 3 - phase diode bridge rectifier is fed from a 400 V rms, 50 Hz, 3 phase AC source. If the load is purely resistive, then peak instantaneous output voltage is equal to 400 V. 400√ (2/3) V. 400√ 2 V. 400 / √ 3 V. 400 V. 400√ (2/3) V. 400√ 2 V. 400 / √ 3 V. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The voltage gain of a loaded differential amp is smaller than the unloaded voltage gain. equal to RC / re. impossible to determine. large than the unloaded voltage gain. smaller than the unloaded voltage gain. equal to RC / re. impossible to determine. large than the unloaded voltage gain. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics What is the range of energy band gap of semiconductors ? 10-15 ev 1-3 ev 0 ev 14-15 ev 10-15 ev 1-3 ev 0 ev 14-15 ev ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics When were the first solid state devices manufactured ? 1950 1970 1940 1960 1950 1970 1940 1960 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 The depletion region with in a pn junction is reduced when the junction has : zero bias. reverse bias. all of these. forward bias. zero bias. reverse bias. all of these. forward bias. ANSWER DOWNLOAD EXAMIANS APP