A circuit component that is composed of a semiconductor layer sandwiched between two other semiconductor layers is a(n)
resistor
capacitor
inductor
transistor

Which articulations allow for greatest range of motion?

What is the temperature in degrees celsius of a substance with a tempature of 49k

Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.