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Two scales on a voltmeter measure voltag...

Two scales on a voltmeter measure voltage up to `20.0V` and `30.0 V`. The resistance connected in series with the galvanometer is `1680 Omega` for the `20.0 V` scale and `2930 Omega` for the `30.0 V` scale. The resistance of the galvanometer and the full scale current are respectively

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