Question
A Nichrome wire is used in an experiment to plot VāI characteristics. The initial part of the graph is nearly linear, but at higher currents, a curvature appears. What is the most scientific reason?
Asked in MP Police Constable Ā· 2025
Ohms Law Ā· Physics
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Electric current is charge flowing per unit time: I = Q/t.
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Questions Asked from Electrical Power: P = VI, IĀ²R & VĀ²/R in Previous Exams
See how often Electrical Power: P = VI, IĀ²R & VĀ²/R has appeared in previous-year questions across major government exams.
11UPSC Questions Asked in These Years:2011, 2012, 2013, 2014, 2015, 2016, 2018, 2020, 2022, 2023, 2024
10SSC Questions Asked in These Years:2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
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14State PSC Questions Asked in These Years:2004, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2022, 2023, 2024, 2025
Electrical Power: P = VI, IĀ²R & VĀ²/R has appeared in 42 previous-year exam questions, most frequently in State PSC, UPSC and SSC.
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