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What are intrinsic and extrinsic semiconductors?
A semiconductor is a material that has an electrical conductivity among that of a conductor and an insulator. In a semiconductor, current can be getting by either the ?ow of electrons or by the ?ow of positively charged holes. Silicon is an instance of a semiconductor, and a semiconductor in the pure state is often known as intrinsic semiconductor. The conductivity of a semiconductor can be changed by adding other elements, which is called as doping and this type of semiconductors are called as extrinsic semiconductors.
Boat A is travelling at 4.6 m/s. Boat B is moving away from boat A at 9.2 m/s, as shown in the figure below. The captain of boat B blows an air horn with a frequency of 550 Hz
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Q. What is meant by doping? The process of addition of extremely small amount of impurity into an intrinsic semiconductor is called doping.
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