Physics > EXAM > GCSE PHYSICS Higher Tier Paper 1 MISCPhysics paper 1 2020 (All)

# GCSE PHYSICS Higher Tier Paper 1 MISCPhysics paper 1 2020

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A student investigated how the current in a filament lamp varied with the potential difference across the filament lamp. Figure 1 shows part of the circuit used. Figure 1 0 1 . 1 Complete Figure 1... by adding an ammeter and a voltmeter. Use the correct circuit symbols. [3 marks] Question 1 continues on the next page4 *04* IB/H/Jun20/8463/1H Do not write outside the Figure 2 shows some of the results. box Figure 2 0 1 . 2 The student reversed the connections to the power supply and obtained negative values for the current and potential difference. Draw a line on Figure 2 to show the relationship between the negative values of current and potential difference. [2 marks]5 *05* Turn over ► IB/H/Jun20/8463/1H Do not write outside the box 11 0 1 . 3 Write down the equation which links current (I), potential difference (V) and resistance (R). [1 mark] 0 1 . 4 Determine the resistance of the filament lamp when the potential difference across it is 1.0 V. Use data from Figure 2. [4 marks] Resistance = Ω 0 1 . 5 A second student did the same investigation. The ammeter used had a zero error. What is meant by a zero error? [1 mark] Turn over for the next question6 *06* IB/H/Jun20/8463/1H Do not write outside the 0 2 Figure 3 shows an LED torch. box Figure 3 0 2 . 1 The torch contains one LED, one switch and three cells. Which diagram shows the correct circuit for the torch? [1 mark] Tick () one box.7 *07* Turn over ► IB/H/Jun20/8463/1H Do not write outside the 0 2 . 2 Write down the equation which links charge flow (Q), current (I) and time (t). box [1 mark] 0 2 . 3 The torch worked for 14 400 seconds before the cells needed replacing. The current in the LED was 50 mA. Calculate the total charge flow through the cells. [3 marks] Total charge flow = C 0 2 . 4 When replaced, the cells were put into the torch the wrong way around. Explain why the torch did not work. [2 marks] Question 2 continues on the next page8 *08* IB/H/Jun20/8463/1H Do not write outside the box 11 0 2 . 5 Write down the equation which links efficiency, total power input and useful power output. [1 mark [Show More]

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