Analog Electronics In an OP-amp differentiator Polarity of input and output is the same The amplitude of output is proportional to input Output occurs when input is finite and constant The amplitude of output is proportional to rate of change of input Polarity of input and output is the same The amplitude of output is proportional to input Output occurs when input is finite and constant The amplitude of output is proportional to rate of change of input ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Which of the following is the pentavalent material ? Gallium Boron Arsenic Neon Gallium Boron Arsenic Neon ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The current gain of a bipolar transistor drops at high frequencies because of The early effect High current effects in the base Parasitic inductive elements Transistor capacitances The early effect High current effects in the base Parasitic inductive elements Transistor capacitances ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics A constant current signal across a parallel RLC circuits gives an o/p of 1.4v at the signal frequency of 3.89KHZ and 4.1KHZ. At the frequency of 4KHZ,the o/p voltage will be 2v 2.8v 1v 1.4v 2v 2.8v 1v 1.4v ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The current gain of a BJT is gm / r0 gm rπ gm r0 gm /rπ gm / r0 gm rπ gm r0 gm /rπ ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The output voltage of an emitter follower is across the load resistor. emitter diode. DC collector resistor. emitter diode and external AC emitter resistance. load resistor. emitter diode. DC collector resistor. emitter diode and external AC emitter resistance. ANSWER DOWNLOAD EXAMIANS APP
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