List of top Electrical Engineering Questions on Electrical Components asked in AP PGECET

Consider a three-core, three-phase, 50 Hz, 11 kV cable whose conductors are denoted as R, Y and B in the given figure. The inter-phase capacitance (C1) between each pair of conductors is 0.2 $\mu$F and the capacitance (C2) between each line conductor and the sheath is 0.4 $\mu$F.

 

In an inverting RC integrator using an Op-amp, \( RC = 1\,\text{s}, \, V_i = 5\,\text{V} \), then \( V_o = \, \_\_\_\_\_\_\_ \)

For the figure below, \( x(t) \) and \( y(t) \) are related as _______.

 

Which of the following signals are periodic?
\[ x(t) = \sin t + \cos 2\pi t \\ y(t) = \sin 2\pi t + \sin 5t \\ z(t) = \sin t + \cos \pi t \]
The number of roots of $s^3 + 5s^2 + 7s + 3 = 0$ in the right half of the s-plane is _______.

In the signal flow graph shown below, the transfer function is _______.

 

In a $\Delta$–$Y$ transformer, the phase shift between primary and secondary is _______.
Which one of the following is not a vectored interrupt?
The ratio of maximum displacement deviation to full scale deviation of the instrument is called _______.
Standard resistor is made from
Specific energy consumption is defined as energy consumed per unit _______.
Tractive effort is defined as _______.
The function of a gradient in train movement is to _______.
In a JK flip-flop the J input is connected to 0 and its K input is connected to output Q. A clock pulse is fed to the clock input. The flip-flop will now:
The angle \( \delta \) in the swing equation of a synchronous generator is the:
For economic dispatch that neglects both line losses and generation limits _______.
In an Anderson bridge, the unknown inductance is measured in terms of _______.
Penalty factors in economic dispatch with losses are used to:
Fourier transform of \( a_1 f_1(t) + a_2 f_2(t) \) is ________.
Fourier transform of \( f(t) = 1 \) is ________.
A long two-wire line composed of solid ground conductors is 0.5 cm and the distance between their centres is 2 m. If this distance is doubled, then the inductance per unit length _______.
Loading effect is primarily caused by instruments having _______.
The main advantage of IGBT over MOSFET is _______.
Variable frequency drives (VFDs) are used in ________.
A 100 km long, three phase, 110 V, 50 Hz overhead transmission line has three conductors each diameter 1.5 cm. The conductors are spaced 2 m at the corners of equilateral triangle. The capacitance of the line is _______.