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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > When an ammter of negligible internal resistance is inserted in series with circuit it reads 1A When the voltmeter of very large resistance is connected across X it reads 1V. When the point A and B are shorted by a conducting wire, the voltmeter meausres 10V across the battery. The internal resistance of the battery is equal to

When an ammter of negligible internal resistance is inserted in series with circuit it reads 1A When the voltmeter of very large resistance is connected across X it reads 1V. When the point A and B are shorted by a conducting wire, the voltmeter meausres 10V across the battery. The internal resistance of the battery is equal to

if one decides to balance a resistance of 4X against Y? In a meter bridge experiment the null point is obtained at 20 cm from one end of the wire when resistance X is balanced against another resistance Y. If X< Y then where will the new position of the null point be from the same end