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The energy gap, or bandgap, of silicon refers to the energy difference between the valence band and the conduction band, which is approximately 1.1 eV at room temperature. In contrast, the turn-on voltage is the minimum voltage required to forward-bias a silicon diode, allowing significant current to flow; this typically ranges from 0.6 to 0.7 volts. While the energy gap is a fundamental property of the material related to its electronic structure, the turn-on voltage is influenced by factors such as temperature and doping levels.

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Why the breakdown voltage of silicon is 0.7V whereas for germanium it is 0.3V?

The difference in breakdown voltage between silicon (0.7V) and germanium (0.3V) is mainly due to their different band gap energies. Silicon has a larger band gap compared to germanium, resulting in a higher breakdown voltage. This means that silicon can withstand a higher voltage before breaking down compared to germanium.


What is the relationship between voltage and electric potential energy difference?

Voltage is a measure of the electric potential energy difference between two points in an electric field. The greater the voltage, the greater the electric potential energy difference between the two points.


What is the relationship between voltage, potential difference, and electrical energy in a circuit?

Voltage, also known as potential difference, is the force that drives electrical current in a circuit. The higher the voltage, the greater the potential difference and the more electrical energy is transferred in the circuit.


What term for the difference in electrical energy between 2 places in a circuit?

Voltage.


Why cut in voltage of silicon is more than that of germanium?

Silicon has a larger band gap energy than germanium, resulting in a higher cut-in voltage for silicon diodes compared to germanium diodes. The larger band gap in silicon means that it requires more energy for electrons to be excited into the conduction band, resulting in a higher cut-in voltage.


What is the difference in electrical potential energy between two places in an electrical field?

voltage


What is the difference in energy per unit of charge between two points in a circuit?

voltage


What is the relationship between potential difference and voltage in an electrical circuit?

Potential difference and voltage are essentially the same thing in an electrical circuit. Voltage is the measure of potential difference between two points in a circuit, indicating the amount of energy that can be transferred between those points. In other words, potential difference is the technical term for voltage in the context of electrical circuits.


What is the difference in potential between two charges called?

Voltage.The correct term for the amount of energy per unit of charge is potential difference.Energy = Charge * VoltageSimple rearranging gives: Voltage = Energy / ChargeTherefore a volt can be defined as a "joule per coulomb".


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