A resistor of 6 Ω with a tolerance of 10% and another of 4 Ω with a tolerance of 10% are connected in series. The tolerance of combination is about (a) 5% (b) 10% (c) 12% (d) 15%

Answer: (b). Series: R = 6 + 4 = 10 Ω; maximum errors add: Δ R = 0.6 + 0.4 = 1.0 Ω. Tolerance = 1.0/10 = 10%. The answer is (b).

A resistor of 6 Ω with a tolerance of 10% and another of 4 Ω with a… | MHT CET 2026 (15 May, Shift 1)

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Ohm's Law, Resistivity & Temperature

A resistor of $6\ \Omega$ with a tolerance of $10\%$ and another of $4\ \Omega$ with a tolerance of $10\%$ are connected in series. The tolerance of combination is about

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Answer: (b)

Series: $R = 6 + 4 = 10\ \Omega$ ; maximum errors add: $\Delta R = 0.6 + 0.4 = 1.0\ \Omega$ .
Tolerance $= 1.0/10 = 10\%$ . The answer is (b).

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Ohm's Law, Resistivity & Temperature question from MHT CET 2026 (15 May, Shift 1)

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