allow current to flow in one direction
Several factors. First, replacement of tubes with capacitors and diodes. The reduction in size of semi-conductors.
The only one I can think of relates to tunnel diodes; wherein an electron goes from point A to point B without passing through the intervening space.
b
no
Semi-conductive materials, such as silicon, are types of materials that can partially conduct electricity. These materials have electrical conductivity between that of conductors and insulators, making them useful in electronic devices like transistors and diodes.
Semiconductors. They have conductivity between conductors and insulators and are used in electronic devices like transistors and diodes.
semi conductor
They are both semi conductors
To increase the conductivity of semi conductors
silicon
Conductors transport electrical energy easily. You can transfer the energy at the electrical pole to you light bulb without much loss from friction through a conductor like copper. Some semi-conductors are very interesting because they can be made to vary the flow of electricity through them. A small electrical signal can control the resistance of electricity through the semi-conductor. Thus a small signal can be made into a large signal, this is called amplification.
by their ability to accept electrons