Electrical Engineering Mcqs

A) Electrons only

B) Positive and negative ions

C) Electrons and positive ions

D) Electrons, positive ions and negative ions

A) Random movement of electrons in a conductor

B) Movement of free electrons predominately in one direction

C) pressure difference between two poles

D) the power that causes drift of electrons.

A) Electrons

B) Protons

C) Electrons and Ions

D) Charged Particles.

A) Dummy coils

B) Commutator

C) Eye bolt

D) Equalizer rings

A) Speed of armature

B) Type of winding

C) Voltage

D) Amount of current to be collected

A) Electromagnets

B) Permanent magnets

C) Both A and B

D) None of these

A) Reduces generator e.m.f.

B) Increases armature speed

C) Reduces interpoles flux density

D) Results in sparking trouble

A) Lap winding

B) Wave moving

C) Duplex winding

D) All of the above

A) Rotary converter

B) Mercury are rectifier

C) Induction motor D.C. generator set

D) Synchronous motor D.C. generator set

A) Lap winding

B) Wave winding

C) Delta winding

D) Duplex wave winding