Question

To modify the magnitude of an alternating voltage without altering its frequency, which principle is applied in the functioning of a transformer?

Asked in SSC Selection Post 12th · 2025
Electromagnetic Induction · Physics
Exam PYQ4 Options
PhysicsLaws and PrinciplesElectromagnetic InductionSSC Selection Post 12th2025
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Resistors in series carry the same current, and their resistances add.

Correct AnswerCorrect option for this question
Option C — Mutual induction

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Questions Asked from Famous Discoveries, Laws & Nobel Prizes in Physics in Previous Exams

See how often Famous Discoveries, Laws & Nobel Prizes in Physics has appeared in previous-year questions across major government exams.

High Exam Frequency
11UPSC Questions Asked in These Years:2011, 2012, 2013, 2015, 2017, 2018, 2019, 2020, 2021, 2022, 2026
11SSC Questions Asked in These Years:2014, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
8Railways Questions Asked in These Years:2016, 2018, 2020, 2021, 2022, 2024, 2025, 2026
14State PSC Questions Asked in These Years:2002, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2022, 2023, 2024, 2025
Famous Discoveries, Laws & Nobel Prizes in Physics has appeared in 44 previous-year exam questions, most frequently in State PSC, UPSC and SSC.
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