List of top Questions asked in AP PGECET- 2026

The Newton–Raphson method is preferred because it,
In a per-unit system, the base impedance ($Z_{\text{base}}$) is defined as:
A $4\text{ A}$ current source feeds $8 \ \Omega$ and $4 \ \Omega$ in parallel. Power in $8 \ \Omega$ is:
$v(t) = 50\sqrt{2} \sin(\omega t)$ is applied to $Z = 3 + j4 \ \Omega$. Average power is:
A 24 V source with internal resistance 6 $\Omega$ feeds a load. Maximum power to load is:
With dependent sources, Thevenin's resistance is found by:
A series RL circuit has $V = 10\text{ V}$, $R = 5 \ \Omega$, $L = 2\text{ H}$. With $i(t) = (V/R)(1 - e^{-t/\tau})$, $\tau = L/R$. Find $i$ at $t = 0.5\text{ s}$.

A series RLC circuit has $R=20 \ \Omega$, $L=1\text{ H}$, $C=0.01\text{ F}$. Using $\zeta = R / (2\sqrt{L/C})$, the response is:
A stepper motor with a step angle $1.8^\circ$ requires ______ steps per one revolution.
Which of the following is true about hunting in synchronous machines?
A balanced three-phase, star-connected source with a line-to-line RMS voltage of $400\text{ V}$ supplies a balanced star-connected load. Each phase of the load has a resistance of $20 \ \Omega$. Neglect the line impedance. Calculate the total active power consumed by the load.
A series RL circuit consists of a resistor $R=10 \ \Omega$ and an inductor $L=1\text{ H}$, connected to a DC voltage source of $V=20\text{ V}$. The switch is closed at $t=0$, and the initial current is zero. Determine the expression for the current $i(t)$ through the inductor for $t>0$, assuming ideal components.
A series RLC circuit has $R = 10 \ \Omega$, $L = 1\text{ H}$, $C = 100 \ \mu\text{F}$. At resonance, the impedance is:
In an induction motor, maximum torque occurs when:
In a Capacitor-start motor, main winding current is $2.0\text{ pu}$, auxiliary winding current is $2.0\text{ pu}$ and the phase difference is $90^\circ$. Then the starting torque is:
If $A^2 = 0$, then:
In a connected electrical network graph, which statement about Kirchhoff's Current Law (KCL) is most accurate?
An AC voltage controller reduces the RMS voltage across a resistive load to 0.5 of its original value. What is the reduction in power?
The property of state transition matrix, $\Phi(t_1 + t_2) =$
An overcurrent relay operates at 1.2pu for 2 s. Fault current = 3pu. What is the expected operation time if relay is inverse-time type?
An autotransformer converts 200V to 100V supplying same load. Copper saving is
A synchronous generator is over-excited and running in parallel with an identical generator at the same terminal voltage. The over-excited generator will:
A 6-pulse HVDC rectifier produces which harmonics in AC line current?
A 12-pulse HVDC link: line voltage = 220 kV (LL), $\alpha = 30^\circ$. Approximate DC voltage:
A DC generator has flux doubled and speed halved. New EMF is