Subject Repository
Electrical Engineering Mcqs
Showing 361 – 380 of 3,699 verified multiple choice questions with answers and explanations.
Q361NTS / FPSC / PPSC
Addition of trivalent impurity to a semiconductor creates many_______________?
Q362NTS / FPSC / PPSC
As the doping to a pure semiconductor increases, the bulk resistance of the semiconductor_______________?
Q363NTS / FPSC / PPSC
A hole in a semiconductor is defined as_________________?
Q364NTS / FPSC / PPSC
A trivalent impurity has______________valence electrons?
Q365NTS / FPSC / PPSC
The strength of a semiconductor crystal comes from______________?
Q366NTS / FPSC / PPSC
A semiconductor is formed by ______________bonds?
Q367NTS / FPSC / PPSC
The resistivity of a pure silicon is about _______________?
Q368NTS / FPSC / PPSC
When a pentavalent impurity is added to a pure semiconductor, it becomes________________?
Q370NTS / FPSC / PPSC
Addition of pentavalent impurity to a semiconductor creates many________________?
Q371NTS / FPSC / PPSC
When a pure semiconductor is heated, its resistance_________________?
Q372NTS / FPSC / PPSC
A semiconductor has generally_______________valence electrons?
Q373NTS / FPSC / PPSC
A semiconductor has ______________ temperature coefficient of resistance?
Q374NTS / FPSC / PPSC
Belted slip ring induction motor is almost invariably used for_________________?
Q375NTS / FPSC / PPSC
The travelling speed of cranes varies from_________________?
Q376NTS / FPSC / PPSC
The cost of an induction motor will increase as________________?
Q377NTS / FPSC / PPSC
While selecting motor for an air conditioner which of the following characteristics is of great importance ?
Q378NTS / FPSC / PPSC
Which of the following alternatives will be cheaper ?
Q379NTS / FPSC / PPSC