Q36 IB Physics HL Past Paper Solution May 2022 Paper 1 TZ 1 #ibdp #physics

Welcome to ZuAI - Ace Your IB Exams! In today's video, we’ll explore an important IB Physics concept: the rectification of AC current using a diode bridge circuit. This topic is essential for both HL and SL students, as it covers the basics of how diodes are used to convert alternating current (AC) into direct current (DC). We'll solve a typical IB exam-style question that asks about the output of a four-diode arrangement connected to an AC supply.

Question Breakdown: You're presented with a circuit that consists of four diodes arranged in a bridge configuration. This setup is connected to an AC supply, and the output is connected to an external circuit. The question asks us to identify the nature of the current that flows to the external circuit.

Solution: The four-diode bridge rectifier is a classic circuit used to convert AC into DC. When AC flows through the circuit, the diodes work in pairs to allow current to pass through during both the positive and negative cycles of the AC waveform. This results in a full-wave rectified current at the output, where the current is always positive, but it fluctuates in magnitude, corresponding to the absolute value of the AC waveform.

Thus, the correct answer is Option A: Full-wave rectified current.

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