Subject Repository
Electrical Engineering Mcqs
Showing 1021 – 1040 of 3,699 verified multiple choice questions with answers and explanations.
Q1021NTS / FPSC / PPSC
Which of the following is the major consideration to evolve a good design ?
Q1022NTS / FPSC / PPSC
The efficiency of a machine should be as ____________ as possible to reduce the operating cost?
Q1023NTS / FPSC / PPSC
Electrical machines having power outputs ranging from a few kW up to approximately 250 kW may be classified as_____________?
Q1024NTS / FPSC / PPSC
In _________ machines, the size of the shaft is decided by the critical speed which depends on the deflection of the shaft?
Q1025NTS / FPSC / PPSC
The minority carrier concentration is largely a function of_____________?
Q1026NTS / FPSC / PPSC
The current due to electron flow in conduction band is the hole current in valence band?
Q1027NTS / FPSC / PPSC
For germanium the forbidden energy gap is_______________?
Q1028NTS / FPSC / PPSC
is an element used in semiconductors whose atoms have three valence electrons?
Q1029NTS / FPSC / PPSC
The carbon percentage is least in__________________?
Q1030NTS / FPSC / PPSC
The conductivity of an extrinsic semiconductor with temperature________________?
Q1031NTS / FPSC / PPSC
For a hole which of the following statements is incorrect ?
Q1032NTS / FPSC / PPSC
For a particular material the Hall coefficient was found to be zero. The material is______________?
Q1033NTS / FPSC / PPSC
Superconducting metal in super conducting state has relative permeability of________________?
Q1034NTS / FPSC / PPSC
Which of the following factors affect resistivity of metals ?
Q1035NTS / FPSC / PPSC
Surface resistance of an insulating material is reduced due to the______________?
Q1036NTS / FPSC / PPSC
In conductors conduction of electricity takes place due to movement of_______________?
Q1037NTS / FPSC / PPSC
Effect of moisture on the insulating materials is to________________?
Q1038NTS / FPSC / PPSC