List of top Questions asked in TS PGECET- 2026

Which signal conditioning circuit is used with piezoelectric transducers?

A rotary encoder has \(360\) pulses per revolution. The angular resolution is

A synchro is mainly used to measure

An orifice meter is installed in a pipe of diameter \(20\,\text{cm}\). If the discharge coefficient is assumed constant, the flow rate is proportional to

Semiconductor strain gauges typically have much higher gauge factors than metallic strain gauges, primarily due to

Piezoelectric transducers are best suited for measurement of

The main function of an instrumentation amplifier is to

Which of the following is a constant loss in an electric machine?

A DC motor has an input power of \(5\,\text{kW}\) and total losses of \(1\,\text{kW}\). The efficiency of the motor is

The power measured during the open-circuit test mainly represents

In a parallel resonant circuit, the line current at resonance is

Which of the following is TRUE?

A \(50\,\mathrm{Hz}\) sinusoidal voltage has a peak value of \(141\,\mathrm{V}\). Its RMS value is

For a series RLC circuit, the impedance locus is plotted in the complex plane, the impedance circle is at

An RC high-pass filter has \(R=10\,\text{k}\Omega\) and \(C=0.01\,\mu\text{F}\). The cut-off frequency is

If a solenoid has \(500\) turns, length \(0.5\,\text{m}\) and cross-sectional area \(4\times10^{-4}\,\text{m}^2\), then its self-inductance is

Which of the following best represents an ideal current source?

A series RLC circuit has \(L=0.5\,\text{H}\), \(C=0.02\,\text{F}\). For critical damping, the required resistance \(R\) is

An AC circuit has \(V_{\mathrm{rms}}=230\,\mathrm{V}\), \(I_{\mathrm{rms}}=5\,\mathrm{A}\) and power factor \(=0.8\), then the active power consumed is

A series RLC circuit has \(L=0.1\,\mathrm{H}\) and \(C=10\,\mu\mathrm{F}\), then the resonant frequency is

In Thevenin's theorem, if a circuit has \(V_{th}=20\,\mathrm{V}\), \(R_{th}=4\,\Omega\), then the load current for \(R_L=4\,\Omega\) is

Magnetic flux through a coil changes from \(8\ \mathrm{mWb}\) to \(2\ \mathrm{mWb}\) in \(0.2\ \mathrm{s}\). What is the induced emf?

A capacitor of \(50\,\mu\mathrm{F}\) is connected to a \(200\ \mathrm{V}\) battery. A dielectric of \(K=4\) is inserted. Find the new capacitance and stored energy.

Biot--Savart's law is most suitable for calculating magnetic field due to

For a binomial variate \(X\) if \(n=5\) and \[ P(X=1)=8P(X=3), \] then its variance is