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Why germanium has larger leakage current than silicon?
Germanium has a smaller bandgap compared to silicon, leading to higher intrinsic carrier concentration and hence greater leakage current. Additionally, germanium has a higher intrinsic carrier mobility, which can further contribute to increased leakage current compared to silicon.
Why silicon has low leakage of current as compared to germanium?
Each has four valence electrons, but germanium will at a given temperature have more free electrons and a higher conductivity. Silicon is by far the more widely used semiconductor for electronics, partly because it can be used at much higher temperatures than germanium.
What is the potential barrier of germanium?
The potential barrier of germanium is typically around 0.3 to 0.7 electron volts (eV) when used as a semiconductor in electronic devices. This barrier helps control the flow of current in the material and is crucial for its behavior as a semiconductor.
What is baising in electronic circuits?
Biasing means providing a voltage that overcomes or restricts the flow of carrier in semiconductor. No current will flow when any semiconductor is ubiased
What is a semiconductor device that produce electric current through the photo-voltaic is an?
A semiconductor device that produces electric current through the photo-voltaic effect is a solar cell. When sunlight shines on the cell, it creates an electric current by releasing electrons from the material. This electric current can then be harnessed for various applications, such as generating electricity for homes or powering electronic devices.
Does drift current depends on carrier concentration?
no,drift current depends upon electric field where as carrier concentration lead to diffusion current
What material conductors electric current better than an insulator but not as well a conductor?
semiconductor
What material conducts electric current better than an insulation but not as well as a conductor?
semiconductor
What is the definition of electronics engineering?
electronics engineering is the branch of engineering which deals with the flow of current in a semiconductor devices/components. Semiconductor devices/components are those element which made from semiconductors like silicon germanium GaAs and other material. they are widely using in current generation.
What material conducts electric current better than insulator but not as was as a conductor?
A semiconductor, such as silicon or germanium, fits this description. Semiconductors have electrical conductivity between that of insulators and conductors. They can be controlled to switch between conducting and insulating states, making them essential for modern electronics.
Why leakage current of germanium is more than silicon?
The higher leakage current in germanium compared to silicon is mainly due to its lower bandgap energy, which allows more thermally generated carriers to flow through at room temperature. Additionally, germanium has lower electron mobility and higher intrinsic carrier concentration than silicon, contributing to increased leakage current.
Why FET is called as a unipolar transistor?
The FET is a semiconductor device with the output current controlled by an electric field. Since the current is carried predominantly by one type of carriers, the FET is known as a unipolar transistor.
