In a dc motor speeds above the rated speed is achieved by varying the:

Magnitude of alternate current reaches  zero value how many times in a cycle:

Generators employed in Hydro power plants will have ___ type of Generators

During no load condition which of the following machines have very poor efficiency

When the load on the Transformer increases, then the flux linking the primary winding and secondary winding:

Surge arrestor is employed to ground the electrical voltage surges when generated in the system.

Compared to wet soil, the earth resistance of dry soil will be ___

Which of the fault is rare occurrence in the system:

The current carrying capacity of a conductor or wire depends on the:

High electromechanical stresses are caused in electrical machines due to:

Making capacity of the Circuit Breaker will be __ than the Breaking Capacity:

Solenoid is a:

Dielectric Loss is caused in:

What is the function of Silica gel in Electrical Transformer:

Phase angle is the Cosine of the angle between:

Indcutor oppose the sudden change in the current in a circuit

Which of the following surges is more severe when the operating voltage exceeds above 400kV:

Which of the element in cable helps in reducing the electric field stress in cable insulation

Servo motors are used for position control in the system:

During unbalanced condition in the system, negative sequence component will exist: