List of top Questions asked in TS PGECET- 2026

In ECG analysis, QRS detection is important because it represents:

The output voltage of a 6-bit ladder type DAC with a digital input of 111001 is (Assume maximum output voltage is 10 V):

An SAR type ADC and a Flash type ADC have identical resolution and reference voltage. If both of them have same input signal bandwidth and sampling rate, then which of the following statements is true?

Increasing the resolution of an ideal N-bit ADC at constant reference voltage will:

In the ideal case, what is the input impedance of an operational amplifier?

The transfer function of an LTI system is defined as:

If the outputs of XNOR and XOR gates with inputs a, b are connected to an AND gate, then the output is:

Discrete-time LTI system is BIBO stable if:

For a clock frequency of 20 MHz, the output frequency of a flip-flop is:

A signal that exists only for a finite duration of time is called:

In an operational amplifier, slew rate limitation affects:

For an active low-pass filter of first order, the roll-off is:

At very high frequencies, MOSFET is preferred because of:

If admittance of a circuit is \( Y = 0.3 - j0.4\text{ s} \), then the magnitude of the impedance is:

In a series RLC circuit with \( R = 10\ \Omega \), \( L = 0.1\text{ H} \), \( C = 100\ \mu\text{F} \), the resonant frequency, Q-factor and bandwidth respectively are:

The cut-off frequency of an RC low-pass filter is:

If a circuit has unity power factor, then reactive power is:

Given \( v(t) = 100 \sin(100\pi t) \), the RMS value is:

Consider the following statements:
Assertion (A): Norton current is equal to the short-circuit current at the output terminals.
Reason (R): Because Norton equivalent resistance is obtained by deactivating all independent sources and calculating the resistance seen from the output terminals.
The correct answer is:

The Thevenin resistance of a circuit is zero, then this implies:

While evaluating \(\int_{a}^{b} f(x) \, dx\) using Trapezoidal rule and Simpson's one-third rule, \([a,b]\) is divided into n number of subintervals so that both the methods can be applied for the same division, then a possible value of n is

At \( t = \infty \) in an RL circuit with DC excitation, the inductor behaves as:

In a series RL circuit excited by DC, the current reaches 63.2% of its final value at:

If \( L = 1\text{ H} \), \( C = 1\text{ F} \) and \( R = 1\ \Omega \) in a series RLC circuit, then the circuit is:

Newton-Raphson method is used to find the root of \(x^2 - 3 = 0\). If the initial solution is taken as \(x = -2\), then the iterations tend to