Subject Repository
Physics Mcqs
Showing 241 – 260 of 940 verified multiple choice questions with answers and explanations.
Q241NTS / FPSC / PPSC
In half-wave rectification the output D.C. voltages is obtained across the load for_______________?
Q242NTS / FPSC / PPSC
In full wave rectification the output D.C. voltage across the load is obtained for_____________?
Q243NTS / FPSC / PPSC
In the transistor schematic symbol, the arrow______________?
Q244NTS / FPSC / PPSC
Which one of the following is not a donor impurity ?
Q245NTS / FPSC / PPSC
Forward current through a semi conductor diode circuit is due to____________?
Q246NTS / FPSC / PPSC
The value of resistivity for insulator is of the order of____________?
Q247NTS / FPSC / PPSC
Which one of following band is completely filled in case of conductors ?
Q248NTS / FPSC / PPSC
Depletion region of a junction is formed_____________?
Q249NTS / FPSC / PPSC
The simplest type of rectification known as half wave rectification is obtained by____________________?
Q250NTS / FPSC / PPSC
In p-n-p transistor the collector current is________________?
Q251NTS / FPSC / PPSC
Semi-conductors with donor atoms and free electrons belong to the type________________?
Q252NTS / FPSC / PPSC
The especially designed semiconductor diodes used as indicator lamps in electronic circuits are___________?
Q253NTS / FPSC / PPSC
The device or circuit used for conversion of A.C. into D.C. is called_______________?
Q254NTS / FPSC / PPSC
The semiconductor diode can be used as a rectifier because _______________?
Q255NTS / FPSC / PPSC
In the transistor schematic symbol, the arrow_______________?
Q257NTS / FPSC / PPSC
Which one of the following has the greatest energy gap ?
Q258NTS / FPSC / PPSC
The velocity of an oscillating charge as it moves to and fro along a wire is always_____________?
Q259NTS / FPSC / PPSC