Why is a Transistor Called a Current Control Device ? Answer: A transistor is called a current control device because it regulates the flow of electric current between its terminals by using a small input current to control a larger output current. This property is essential for its role in …
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Why DC current is used to charge batteries, not AC? Answer: DC current is used to charge batteries because batteries are designed to store direct current (DC) energy. Charging them with alternating current (AC) would require additional components like rectifiers, making the process more complex and less efficient. Related FAQs …
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Diodes and Its Types Introduction Diodes are essential semiconductor devices that play a crucial role in modern electronics. They are widely used in various applications, ranging from power rectification to signal modulation. This article will explore the concept of diodes, their working principles, and the different types of diodes available …
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Optocouplers – Types and Applications Introduction Optocouplers, also known as optoisolators, are essential electronic components that provide electrical isolation between input and output circuits. They utilize light to transmit signals, ensuring effective isolation and protection against voltage spikes, noise, and other electrical disturbances. Optocouplers find extensive use in a wide …
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