Electrical Engineering Materials

A. Organic polymers
B. Silicon
C. Metals

A. adding impurities
B. reducing temperatures
C. application of magnetic field
D. any of the above

A. Composition
B. Pressure
C. Size
D. Temperature

A. Tin-lead
B. Tin-silver-lead
C. Copper-zinc
D. None of the above

A. linear
B. hexagonal
C. orthorhombic
D. cubic

A. increases
B. decreases
C. does not change

A. vacuum tubes
B. copper conductors
C. ferrite cores
D. transistors

A. high resistivity
B. high resistance to corrosion
C. good thermal conductivity
D. high melting point

A. Glass
B. Quartz
C. Corrundum
D. Neoprene

A. resonant waves
B. musical waves
C. microwaves
D. ultrasonic waves