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VICPhysicsQuick questions

Unit 1: What ideas explain the physical world?

Quick questions on Series and parallel DC circuits (VCE Physics Unit 1)

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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Two resistors of 44 Ω\Omega and 1212 Ω\Omega are connected in parallel. Calculate the equivalent resistance. [2 marks]
What is q2?
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A 2424 V battery is connected in series with a 22 Ω\Omega resistor and a parallel combination of 66 Ω\Omega and 33 Ω\Omega. Calculate the total current and the power dissipated by the 33 Ω\Omega resistor. [5 marks]
What is q3?
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A tram feeder model has a 600600 V supply, 0.050.05 Ω\Omega feeder, and a tram drawing 400400 A. (a) Determine the voltage at the tram. (b) Calculate the power lost in the feeder.

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