YourPariksha

Your Preparation, Your Success

HomeSubjectsMock TestsCurrent Affairs
HomeSubjectsMock TestsCurrent Affairs
© 2026 YourPariksha — Your Preparation, Your Success.
SubjectsMock TestsCurrent AffairsLog inAdmin
SubjectsGeneral SciencePhysicsChapter 3 — Electricity & Magnetism3.1 Electric Current & Circuits

Topic 3.1 · General Science · Electricity & Magnetism

Electric Current & Circuits

Electric Current & Circuits is studied as part of "Electricity & Magnetism" (Physics) in General Science. Electric circuits, magnetism, electromagnetic induction and semiconductor basics power modern technology and are frequent exam topics.

In the examination context, electric current & circuits carries conceptual questions that test both factual recall and analytical understanding. Revise this topic in sequence with the rest of the chapter so that chronological and thematic links are clear.

Important Facts

SI unit of current
Ampere
Ohm's law
V = IR
Transformer
Works on electromagnetic induction
p-n junction
Basis of the diode

Key Points

  • SI unit of current — Ampere
  • Ohm's law — V = IR
  • Transformer — Works on electromagnetic induction
  • p-n junction — Basis of the diode

Important Names

André-Marie AmpèreGeorg OhmMichael Faraday

Important Dates

1820Oersted discovered electromagnetism
Exam-Oriented Notes
  • »Current is measured by ammeter in series; voltage by voltmeter in parallel. Resistance = V/I.

Related topics

3.2 Magnetism3.3 Electromagnetic Induction3.4 Semiconductors & Logic Gates
Practice MCQs(3)Next Topic