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Error in resistance from voltmeter and ammeter readings

This type of question, asked 2 times: 29 Jan 2024, 5 Apr 2026 S2. All 2 questions below, oldest first.

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  1. Question 1

    29 Jan 2024

    8
    The resistance R=VIR =\frac{V}{I} where V=(200±5)VV = (200 \pm 5)V and I=(20±0.2)AI = (20 \pm 0.2)A, the percentage error in the measurement of RR is:

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  2. Question 2

    5 Apr 2026 S2

    2
    In an experiment to determine the resistance of a given wire using Ohm's law, the voltmeter and ammeter readings are noted as 10 V and 5 A , respectively. The least counts of voltmeter and ammeter are 500 mV and 200 mA , respectively. The estimated error in the resistance measurement is ____\_\_\_\_ Ω\Omega

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