In an electrical circuit, the voltage is measured as V = ( 200 ± 4 ) volt and the current is measured as I = ( 20 ± 0.2 ) A . The value of the resistance is:NEET 2024 (Re-NEET)

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R = l V ​ = 20 200 ​ = 10Ω R Δ R ​ = V Δ V ​ + l Δ l ​ = 200 4 ​ + 20 0.2 ​ = 200 4 + 2 ​ = 200 6 ​ ⇒ Δ R = 200 6 ​ × R = 20 6 ​ = 10 3 ​ = 0.3Ω ∴ Resistance = R ± Δ R = ( 10 ± 0.3 ) Ω

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