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[" 54.A "100V" voltmeter of internal res...

[" 54.A "100V" voltmeter of internal resistance "20k Omega" in "],[" series with a high resistance "R" is connected to a "],[110V" line.The voltmeter reads "5V" ,the value of "R],[" is "],[[" (a) "210kn," (b) "315k Omega," (c) "420k Omega," (d) "440kR]]

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