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2.1 Current, potential difference and resistance

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Question 10
H71%

A student obtains the III-V V\,V characteristic of a diode. The graph must also include negative values of potential difference. Which change to the circuit allows these values to be obtained?

[1]
A

Reversing the connections to the ammeter and repeating the readings

B

Reversing the connections to the voltmeter and repeating the readings

C

Reversing the connections to the variable resistor and repeating readings

D

Reversing the connections to the power supply and repeating the readings

Markscheme

2.1 Current, potential difference and resistance Questions

  1. GCSE
  2. /Physics
  3. /2.1 Current, potential difference and resistance

82 exam-style questions on AQA GCSE Physics 2.1 Current, potential difference and resistance, covering 2.1.1 Standard circuit diagram symbols, 2.1.2 Electrical charge and current, 2.1.3 Current, resistance and potential difference, and 2.1.4 Resistors. Each one has a worked solution and a mark scheme showing where the marks go.

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