Why is it necessary for voltmeter to have a high resistance?
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Voltmeter has high resistance because it measures the voltage difference between two different points, but it should not change the amount of current going through the element between those two points . So, it should have high resistance
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Hey mate here is your answer
On the other hand, a voltmetermeasures the voltage difference between two different points (say, on different sides of a resistor), but itshould not change the amount of current going through the element between those two points. So, itshould have very high resistance so that it doesn't "draw" current through it....
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