Analog Electronics What will be the result if pentavalent impurity is added to pure germanium or silicon ? Intrinsic semiconductor N-type semiconductor None of these P-type semiconductor Intrinsic semiconductor N-type semiconductor None of these P-type semiconductor ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics If the emitter resistance decreases, the collector current decreases. Q point stays where it is. current gain increases. Q point moves up. collector current decreases. Q point stays where it is. current gain increases. Q point moves up. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics If the current gain is unknown in an emitter-biased circuit, you cannot calculate the base current. emitter voltage. collector current. emitter current. base current. emitter voltage. collector current. emitter current. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The opamp can amplify neither AC not DC signals. DC signals only. AC signals only. both AC and DC signals. neither AC not DC signals. DC signals only. AC signals only. both AC and DC signals. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics In an OP-amp differentiator The amplitude of output is proportional to rate of change of input The amplitude of output is proportional to input Polarity of input and output is the same Output occurs when input is finite and constant The amplitude of output is proportional to rate of change of input The amplitude of output is proportional to input Polarity of input and output is the same Output occurs when input is finite and constant 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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