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ScotlandEngineering ScienceQuick questions

Area 2: Electronics and control

Quick questions on Analogue electronics, Ohm's law and power - SQA National 5 Engineering Science

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 6.0 V6.0 \text{ V} supply drives 0.20 A0.20 \text{ A} through a resistor. Calculate the resistance. [2 marks]
What is q2?
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Resistors of 100 Ω100 \text{ }\Omega and 150 Ω150 \text{ }\Omega are in series. Find the total resistance. [1 mark]
What is q3?
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A lamp transfers 24 W24 \text{ W} when 2.0 A2.0 \text{ A} flows through it. Calculate the voltage across it. [2 marks]

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