List of top Chemistry Questions on Semiconductor electronics: materials, devices and simple circuits

If the length of a linear antenna is increased by $60\%$ and the wavelength of the signal is decreased by $20\%$, then the percentage increase in the effective power radiated by the antenna is:

Which one of the following elements is represented as Eka-silicon in Mendeleev's periodic table?

The set of elements that are used in the fabrication of transistors is:

If we mix a pentavalent impurity in a crystal lattice of germanium, what type of semiconductor formation will occur?