Analog Electronics In an OP-amp differentiator The amplitude of output is proportional to input The amplitude of output is proportional to rate of change of input Output occurs when input is finite and constant Polarity of input and output is the same The amplitude of output is proportional to input The amplitude of output is proportional to rate of change of input Output occurs when input is finite and constant Polarity of input and output is the same ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The voltage gain of a loaded differential amp is large than the unloaded voltage gain. equal to RC / re. impossible to determine. smaller than the unloaded voltage gain. large than the unloaded voltage gain. equal to RC / re. impossible to determine. smaller than the unloaded voltage gain. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The arrow direction in diode symbol indicates opposite to the direction of hole flow. direction of hole flow. none of these. direction of electron flow. opposite to the direction of hole flow. direction of hole flow. none of these. direction of electron flow. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Voltage Series (feedback also called series-shunt feedback) results in 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 Increase in input impedance & decreases in output impedance ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics For transistor action all of these. the emitter should be heavily doped. the base region must be very thin and lightly doped. Je must be forward biased and Jc should be reverse biased. all of these. the emitter should be heavily doped. the base region must be very thin and lightly doped. Je must be forward biased and Jc should be reverse biased. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Avalanche breakdown in a diode occurs when potential barrier is reduced to zero. forward electric current exceeds certain value. reverse bias exceeds a certain value. None of these potential barrier is reduced to zero. forward electric current exceeds certain value. reverse bias exceeds a certain value. None of these ANSWER DOWNLOAD EXAMIANS APP
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