Quick questions on Mains power supply systems: rectification, smoothing and regulation - Eduqas A-Level Electronics

3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?

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A transformer steps

230\ \text{V}

down to

9.0\ \text{V}

. Find the turns ratio. [2 marks]

What is q2?

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A secondary delivers

6.0\ \text{V}

RMS. Find the peak voltage the reservoir capacitor charges to. [2 marks]

What is q3?

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State one advantage of a switch-mode regulator over a linear regulator. [1 mark]

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