A photodiode is used preferably in in reverse bias condition because the change in reverse current through the photodiode due to change in light... View Article
The correct option is (b) Holes are the majority carriers and trivalent atoms are the dopants. In a p-type semiconductor hole are the majority... View Article
Induction furnace makes use of eddy currents. Induction furnace has an alternating electric current-carrying coil surrounding the container.... View Article
Electromotive force, most commonly known as emf, is the energy per unit electric charge that is imparted by an energy source, such as an electric... View Article
The internal resistance of dry cells is higher than the common electrolytic cells. Reason They generally have high internal resistance because... View Article
Answer: In a semiconductor, current conduction is due to both holes and electrons. Semiconductors are the materials which have a conductivity... View Article
a car battery of 12V provides a current of about 200A, which is the current needed to operate a starter motor. So a battery has a very small... View Article
Answer: When a pure semiconductor is heated, its resistance decreases. When the temperature is raised, some covalent bonds in the semiconductor... View Article
Semiconductors are the materials which have a conductivity between conductors (generally metals) and non-conductors or insulators (such... View Article
According to the Kirchhoff's second law; in any closed path of an electrical circuit (or closed loop) the algebraic sum of all the potential... View Article
In the forward-bias direction, an electric current will flow due to the majority carriers' migration across the p-n junction called forward... View Article
