Materials Science Questions
Explore questions in the Materials Science category that you can ask Spark.E!
Generally a germanium diode is in the ________ state when the current established by the applied voltage source is in the direction of the diode symbol's arrow and Vd is greater than or equal to 0.3 V.
A positive full-wave center-tapped rectifier has a secondary voltage of 20 Vm. The peak load voltage for the circuit is ________ if the diode drop is included.
Pentavalent atoms are often referred to as ________.
The act of giving off light by applying an electrical source of energy is called ___.
When a p-n junction's depletion layer is narrowed and the device acts as a nearly perfect conductor, it is ________.
The energy required to move an electron in silicon from the valence band to the conduction band is ________.
Suppose that a particular Zener diode has a temperature coefficient of 0.00575. If the temperature of this Zener diode increases by 50° C, what is the change in Vz?
A(n) ________ is commonly used to provide transient protection.
The isolated atomic energy structure associated with electron orbital shells is called a/an ________.
The diode electrode with p-type material is called the ________.
When a p-n junction is reverse-biased, the depletion layer is ________ and the device acts as a near-perfect ________.
When the diode in a half-wave rectifier points toward the load, the output from the rectifier is ________.
The piecewise linear model, equivalent circuit of the diode consists of ________.
The ideal diode symbol has an arrow that points in the direction of ________.
In an n-type material, the majority carriers are ________.
As the device temperature increases, semiconductor materials tend to have ________.
When silicon is doped with either a pentavalent or a trivalent impurity its resistance will ________.
Pentavalent elements have ________ valence electrons.
The term ________ is applied to a material that has a conductivity level somewhere between the extremes of conductivity.
An advantage of the miniaturization of electronic devices is that they ________.