List of top Instrumentation Engineering Questions on Electronics asked in AP PGECET

Minimum number of 2-input NAND gates required to implement XOR is
Which logic family has lowest power dissipation?
A PLL can be used to modulate
Which of the following pulse modulation is analog?
The logic circuit shown in the figure is
Identify the logic gate family, which is slowest among the given logic?
The minimum number of NOR gates required to implement A(A+B)(A+B+C) is equal to
Which has the highest fan-out?
Which of the following statements is true with respect to effective mass of an electron in a semiconductor lattice?
When testing a coil having a resistance of \( 10\,\Omega \), resonance occurred when the oscillator frequency was \( 10\,\text{MHz} \) and the rotating capacitor was set at \( \dfrac{500}{2\pi}\,\text{pF} \). The effective value of the Q of the coil is:
The open-loop voltage gain of an amplifier is 240. The noise level in the output without feedback is 100 mV. If a negative feedback with \( \beta = \dfrac{1}{60} \) is used, the noise level in the output will be:
A differential amplifier has \( R_L = 10\,\text{k}\Omega \) (equal values in both collectors), \( h_{ie} = 1\,\text{k}\Omega \), \( R_e = 50\,\text{k}\Omega \), and \( h_{fe} = 100 \). The common-mode gain is given by:

An op-amp has an offset voltage of 1 mV and is ideal in all other respects. If this op-amp is used in the circuit shown in figure below, the output voltage will be (select the nearest value):

Which of the following will be the best selection for the core of an LVDT?
An ideal op-amp has CMRR:
What determines the light intensity in a CRT?
Which of the following logics possesses highest noise immunity?
A dual-trace CRO has:
What is the main advantage of a JFET-cascade amplifier?
Piezoelectric crystals produce an EMF when:
A properly biased JFET will act as a:
The type of power amplifier which exhibits crossover distortion in its output is:
Which one of the following oscillators is used for generation of high frequencies?
Piezoelectric transducers are:
A variable reluctance type tachometer has 60 rotor slots. If the counter records 3600 counts per second, then the speed is: