List of top Questions asked in AP PGECET- 2026

In silicon IC fabrication, 'Dry Oxidation' is generally preferred over 'Wet Oxidation' for growing:

For a symmetrical two-port network, which of the following is NOT necessarily true?

What does the Laplace transform do the differential equation of an RLC circuit?

The primary characteristic of a tunnel diode is its _ _ _ _ .

Which of the following best describes the band structure of intrinsic silicon?

At very high electric fields in silicon, the drift velocity of electrons becomes independent of the electric field. This phenomenon is known as:

The number of nodes in a graph having 5 branches and 2 independent loops is

For the given circuit, the values of \(R_{\text{th}}\) across the terminal AB and \(V_{\text{th}}\) are _ _ _ _ and _ _ _ _ , respectively.

If a Delta circuit has branches \(R_{ab} = 10\ \Omega\), \(R_{bc} = 20\ \Omega\), and \(R_{ca} = 30\ \Omega\), what is the equivalent Wye resistor \(R_a\) connected to node?

In sinusoidal steady-state analysis, which of the following best describes the use of phasors?

What is the correct order of elution in column chromatography using silica gel as the stationary phase and a non-polar solvent?

What is the range of the energy required to produce ions in mass spectrometry through electron ionization?

Identify the false statement with respect to McLafferty rearrangement in mass spectroscopy.

ALCOA principle stands for:

Which error can be minimized by increasing the number of observations?

Which of the following is used as indicator electrode in acid-base titration?

Which of the following is NOT an advantage of paper chromatography?

Which functional group shows very strong absorption band in IR spectroscopy?

The Q3C ICH guidelines are related to:

Non-aqueous titrations are mainly used for determination of __________.

Identify the correct statement with respect to gel permeation chromatography:

Flame photometry is mainly used for estimation of __________.

Bathochromic shift depends on

Back diffusion occurs mostly in __________.

__________ gas is NOT suitable in gas chromatography?