Question

The percentage error in measuring the voltage across a resistor 'r' by a voltmeter of resistance 'R' (current assumed to be constant) is :
a) 1 + r/R
b) 1 - r/R
c) 1 - (R+r)/R
d) r/(R+r)​

Answer 1

Answer:

d r/(R+r)

Explanation:

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Answer 2

Answer:

d)r/(R+r)R

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