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Sahay Sir > Question Answers > AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 23 - Magnetic Effects of Current and Moving Charges > A voltmeter of resistance 20000 Ω reads 5 volt. To make it read 20 volt, the extra resistance required is

A voltmeter of resistance 20000 Ω reads 5 volt. To make it read 20 volt, the extra resistance required is

A voltmeter of resistance 20000 Ω reads 5 volt. To make it read 20 volt the extra resistance required is