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What is the efficiency of a photovoltaic cell?
The efficiency of a photovoltaic cell is the ratio of electrical power output to the incident light power input, typically expressed as a percentage, indicating the cell's ability to convert sunlight into usable electrical energy.
The efficiency of a photovoltaic cell is the ratio of electrical power output to the incident light power input, typically expressed as a percentage, indicating the cell’s ability to convert sunlight into usable electrical energy.
See lessExplain the operation of a photovoltaic cell.
A photovoltaic cell, also known as a solar cell, converts sunlight directly into electrical energy through the photovoltaic effect, where photons of light excite electrons in the semiconductor material, generating a voltage across the cell's terminals.
A photovoltaic cell, also known as a solar cell, converts sunlight directly into electrical energy through the photovoltaic effect, where photons of light excite electrons in the semiconductor material, generating a voltage across the cell’s terminals.
See lessDefine avalanche breakdown in semiconductor devices.
Avalanche breakdown is a phenomenon that occurs in semiconductor devices, such as diodes and transistors, when the reverse bias voltage exceeds a critical value, causing a rapid multiplication of charge carriers and a sharp increase in current flow.
Avalanche breakdown is a phenomenon that occurs in semiconductor devices, such as diodes and transistors, when the reverse bias voltage exceeds a critical value, causing a rapid multiplication of charge carriers and a sharp increase in current flow.
See lessWhat is reverse saturation current in a photodiode?
Reverse saturation current is the small leakage current that flows through a photodiode when it is reverse-biased and exposed to light, typically attributed to minority carriers generated by photon absorption in the depletion region.
Reverse saturation current is the small leakage current that flows through a photodiode when it is reverse-biased and exposed to light, typically attributed to minority carriers generated by photon absorption in the depletion region.
See lessExplain the operation of a photodiode.
A photodiode is a semiconductor device that converts light energy into electrical current when exposed to photons, commonly used in light sensors, optical communications, and photovoltaic cells.
A photodiode is a semiconductor device that converts light energy into electrical current when exposed to photons, commonly used in light sensors, optical communications, and photovoltaic cells.
See lessDefine thermal runaway in electronic components.
Thermal runaway is a self-reinforcing process where the temperature of an electronic component increases due to excessive power dissipation, leading to further increases in temperature and potential damage or failure of the component.
Thermal runaway is a self-reinforcing process where the temperature of an electronic component increases due to excessive power dissipation, leading to further increases in temperature and potential damage or failure of the component.
See lessWhat is a heat sink and its purpose in electronic devices?
A heat sink is a passive thermal management device used to dissipate excess heat generated by electronic components, such as transistors, regulators, and microprocessors, by transferring it to the surrounding environment through conduction, convection, or radiation.
A heat sink is a passive thermal management device used to dissipate excess heat generated by electronic components, such as transistors, regulators, and microprocessors, by transferring it to the surrounding environment through conduction, convection, or radiation.
See lessExplain the concept of power dissipation in electronic components.
Power dissipation refers to the rate at which electrical energy is converted into heat energy in electronic components, such as resistors, transistors, and integrated circuits, due to the flow of current through them and their internal resistance.
Power dissipation refers to the rate at which electrical energy is converted into heat energy in electronic components, such as resistors, transistors, and integrated circuits, due to the flow of current through them and their internal resistance.
See lessDefine ground bounce in digital circuits.
Ground bounce is a transient voltage fluctuation that occurs on the ground reference plane of a printed circuit board (PCB) due to high-speed switching currents or impedance mismatches, leading to signal integrity issues and potential logic errors in digital systems.
Ground bounce is a transient voltage fluctuation that occurs on the ground reference plane of a printed circuit board (PCB) due to high-speed switching currents or impedance mismatches, leading to signal integrity issues and potential logic errors in digital systems.
See lessWhat is a switching voltage regulator?
A switching voltage regulator regulates the output voltage by rapidly switching a series pass transistor on and off, controlling the average output voltage by adjusting the duty cycle of the switching signal, resulting in higher efficiency and reduced power dissipation compared to linear regulators.
A switching voltage regulator regulates the output voltage by rapidly switching a series pass transistor on and off, controlling the average output voltage by adjusting the duty cycle of the switching signal, resulting in higher efficiency and reduced power dissipation compared to linear regulators.
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