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What is Silicon Controlled Rectifier (SCR)? Working, Circuit Diagram, Construction, Symbol, Applications & VI Characteristics

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A Silicon Controlled Rectifier (SCR) is a four-layer, three-junction semiconductor device used as a switch and rectifier in power control applications. It belongs to the family of thyristors and operates as a controllable switch. SCRs are widely used in industrial electronics, motor control, light dimming, and voltage regulation.

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What is DC to DC Boost Converter? Working Principle, Waveforms, Circuit Diagram, Formula & Derivation

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A boost converter set up the output voltage is more (i.e., stepped up) than the DC input voltage. Hence, this converter is called boost converter.

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What is TRIAC? Working, Characteristics, Symbol & Applications

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TRIAC is a bilateral power device which operates in both the forward and reverse mode. Its operation is similar to two parallel SCRs connected in opposite direction with a common gate terminal as shown below. The construction shown in Fig. 1 (a) and symbol as shown in 1 (b). (a) (b) Fig. 1: Construction and

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