Analog Electronics The current gain of a bipolar transistor drops at high frequencies because of Parasitic inductive elements High current effects in the base The early effect Transistor capacitances Parasitic inductive elements High current effects in the base The early effect Transistor capacitances ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The encapsulation of transistor is necessary for Mechanical ruggedness Avoiding loss of free electrons Preventing radio interference Preventing photo-emission effects Mechanical ruggedness Avoiding loss of free electrons Preventing radio interference Preventing photo-emission effects ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Which material behave like perfect insulators at low temperatures & conductor at higher temperature ? Ge GaAs All the above Si Ge GaAs All the above Si ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Single phase, 230 V, 1 KW heater is connected acrose single phase 230 V, 50 Hz supply through a diode. The power delivered to the heater element 1000 W. 500 W. None of above. 100 W. 1000 W. 500 W. None of above. 100 W. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics One of the following is the primary function of an oscillator produces sinusoidal oscillations None of these generates sustained oscillations at a constant amplitude and specific frequency generates non sinusoidal waveforms produces sinusoidal oscillations None of these generates sustained oscillations at a constant amplitude and specific frequency generates non sinusoidal waveforms ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The most commonly used amplifier in sample & hold circuits is An inverting amplifier with a gain of 10 A unity gain non-inverting amplifier An inverting amplifiers with a gain of 100 A unity gain inverting amplifier An inverting amplifier with a gain of 10 A unity gain non-inverting amplifier An inverting amplifiers with a gain of 100 A unity gain inverting amplifier ANSWER DOWNLOAD EXAMIANS APP
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