2016 Physics Higher Finalised Marking Instructions
(n) Marking in calculations Question: The current in a resistor is 1·5 amperes when the potential difference across it is 7·5 volts. Calculate the resistance of the resistor. (3 marks) Candidate answer Mark + Comment 1. IR V = 1 mark: formula 7·5 = 1·5R 1 mark: substitution 1 mark: correct answer R = 5·0 Ω 5·0 Ω2.
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www.sqa.org.ukof response. In these cases, the detailed marking instructions will contain guidance for marking the question. When marking partially correct answers, apportion individual marks as shown below. Example of a ‘standard three marker’ question The current in a resistor is 1·5 amperes when the potential difference across it is 7·5 volts. Calculate