Magnetic Effect of Current and Magnetism

Magnetic force on charges and currents, Biot–Savart and Ampere's law, fields of loops and solenoids, the cyclotron and moving-coil galvanometer — a formula-dense chapter that returns 2–3 questions every year.

16 min readWeightage: 5–6% (2–3 questions in NEET, 2 in JEE Main)30-question chapter test included

Check Your Chapter Preparation

Admissions open

Want this taught live? BITSAT 2027 & 2028 batches

Magnetic Effect of Current and Magnetism (Physics) is part of the BITSAT syllabus plan. Pick the batch by the year you appear in — Class 11 students join the two-year BITSAT 2028 program, Class 12 students and repeaters join the one-year or crash program for BITSAT 2027.

BITSAT 2027 online coaching — 1 year Class 12 batchFull syllabus, revision and test series for the BITSAT 2027 attempt in batches of 20 — every formula here is drilled through daily practice.
BITSAT 2028 two year course for Class 11 studentsStart early: a two-year BITSAT 2028 program that builds concepts alongside school, with board-level support.
BITSAT 2027 crash course — 90 day intensive revisionFinal-lap program for Class 12 & droppers: complete revision, PYQ marathons and full-length mocks before BITSAT 2027.
1-on-1 BITSAT 2027 & 2028 tutoring at $15 per hourPersonal mentor, flexible timings and a plan built around the chapters you keep losing marks in.

Finished this chapter? Test yourself now.

30 questions graded from basic to exam level, with a question-wise result and a personalised improvement plan.

Start Chapter Test