Electric current (I) is measured by galvanometer, the current being proportional to the tangent of the angle (\theta) of deflection. If the deflection is read as 45^{\circ} and an error of 1 \% is made in reading it, the percentage error in the current is [TG EAPCET 12 May 2023 Shift 2]

TS EAMCET Engineering 12 May 2023 Shift 2 Solved Paper

Section: Mathematics

Question : 67 of 160

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Electric current (I) is measured by galvanometer, the current being proportional to the tangent of the angle (θ) of deflection. If the deflection is read as 45∘ and an error of 1% is made in reading it, the percentage error in the current is

[TG EAPCET 12 May 2023 Shift 2]

π
π
2
π
3
π
4

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