Is an element used in semiconductors whose atoms have three valence electrons.
A. An acceptor
B. A donor
C. Germanium
D. Silicon
Answer: Option A
A. An acceptor
B. A donor
C. Germanium
D. Silicon
Answer: Option A
On which of the following factors does the resistivity of a material depend ?
A. Resistance of the conductor
B. Area of the conductor section
C. Length of the conductor
D. All of the above
Piezoelectric materials serve as a source of ________ .
A. Resonant waves
B. Musical waves
C. Microwaves
D. Ultrasonic waves
The tiny block formed by the arrangement of a small group of atoms is called the
A. Unit cell
B. Space lattice
C. Either A or B
D. None of the above
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