Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Assistant Professor Electronics and Communication Engineering' And exam conducted in the year 2023. And Question paper code was '051/2023'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
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An Op-Amp has a slew rate of 5V/1s. The largest sine wave output voltage possible
at a frequency of 1MHz is
A) 10x volts B) 5 volts 0) 5 volts D) volts
7 7;
A 10-bit A/D converter is used to digitize an analog signal in the OV to 5V range. The
maximum peak to peak ripple voltage that can be allowed in the d.c supply voltage is
A) Nearly 100 mV B) Nearly 50 mV
C) Nearly 25 mV D) Nearly 5 mV
An analog voltage is in the range of 0 to 8V, is divided in eight intervals for conversion
to 3-bit digital output. The maximum quantization error is
ட்ப 10V
ಜನು
A) ov 8) 0.5५ 0) 1५ 0) 2५
For the n-channel enhancement MOSFET shown in the given figure, threshold voltage
Vin = 2V. The Drain current |) of the MOSFET is 4mA when the drain resistance Rp
is 1KQ. If the Rp is increased to 4KQ, then the drain current Ip will become
A) 2.8 mA B) 2mA C) 1.4mA D) 1mA
An astable multivibrator circuit using IC 555 timer is shown below. Assume that the
circuit is oscillating steadily. The voltage V, across the capacitor varies between
A) 3V to 5V B) 3V ۷
0 ۷ D) 3.6V to 5V