List of top Electrical Engineering Questions

When bundle conductors are used in place of single conductors, the effective inductance and capacitance will respectively _______.
The material most preferred for control spring is ________.
Which one of the following is the main cause of creeping in the induction type energy meters?
A Wheatstone bridge requires a change of 6 ohms in the unknown arm of the bridge to produce a change in deflection of 3 mm of the galvanometer. The sensitivity of the instruments is ________.
Induction type single phase energy meter is ________.
Phantom loading for testing of energy meter is used _______.
The steady state stability limit of a synchronous generator can be increased by _______.
A relay used on long transmission lines is ________.
Suspension type insulators are used for voltages beyond _______.
Which of the following is commercially used in gas blast Circuit breakers?
If the reference bus is changed in two load flow runs with same system data and power obtained for reference bus taken as specified P and Q in the later run: _______.
The positive, negative, and zero sequence impedance of a solidly grounded system under steady state condition always follow the relation ________.
One of the main causes of deterioration of cable dielectric is _______.
Dummy coils may be needed in a DC wave winding _______.
A transformer operates most efficiently at \( \frac{3}{4} \) full-load. Its iron loss (\(P_i\)) and full-load copper loss (\(P_c\)) are related as _______.
An induction motor will develop maximum torque when the phase difference between the stator flux and the rotor current is_______.
The ‘Equal Area Criterion’ for the determination of transient stability of the synchronous machine connected to an infinite bus ________.
Two transformers of identical voltages but of different capacities are operating in parallel. For satisfactory load sharing _______.
The purpose of connecting resistance in the rotor circuit of slip ring induction motor is _______.
When pull-out torque occurs in a synchronous motor, the poles of the rotor are _______.
The only disadvantage of field control method for controlling the speed of a DC shunt motor is that it _______.
Crawling of a motor results from_______.
The transfer function of a phase-lead compensator is given by: $\frac{1 + 3Ts}{1 + Ts}$, $T>0$. The maximum phase shift provided is _______.
The presence of transportation lag in the forward path of a closed-loop control system _______.
The gain at the breakaway point of the root locus of a unity feedback system with open-loop transfer function $G(s) = \frac{K}{(s-1)(s-4)}$ is _______.