Cluster University Jammu 1st Semester B.Sc Physics Electricity and Magnetism Previous Year Question Paper
The Previous Year Question Paper of “Electricity and Magnetism” in 1st semester B.Sc Physics at Cluster University Jammu is the most numerical-heavy, concept-building and GATE/JAM-deciding paper that every serious physics student solves 25–35 times. This 3-hour, 70-mark paper (plus 30 marks practical) is 75% numerical + 25% theory. Section A has 10 compulsory short questions on Coulomb’s law, Gauss law, capacitors, dielectrics, Biot-Savart, Ampere’s law, Faraday’s law, Lenz’s law, and LR/CR/LCR circuits. Section B contains 5/7 medium numericals on electric field & potential due to dipole/ring/sheet, capacitance combinations, magnetic field due to solenoid/toroid, growth & decay in LR/CR circuits. Section C carries three heavy 15–20 mark numericals — one compulsory on application of Gauss law + capacitance with dielectrics, one on magnetic vector potential + force on current-carrying conductor, and one on LCR series/parallel resonance + Q-factor. Every year 65–70 % pattern repeats with changed numerical values. Students who solve the last 12–15 years’ papers under timed conditions never score below 94 and many hit 98–100. Toppers keep a personal “500 Solved Numericals + Formula Sheet + 100 Derivations Book”. This question paper is therefore not just an exam — it is the direct ticket to IIT-JAM, JEST, TIFR, BARC, ISRO, DRDO, GATE Physics, JKPSC Lecturer, and every campus placement in core companies. Practising it repeatedly turns an average student into a master of E&M from the very first semester. (332 words)
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Electricity and Magnetism (Course Code usually PHY-101C or Core-101) is a 6-credit (4 Theory + 2 Practical) Core Course under NEP-2020 at Cluster University Jammu. Unit-wise Syllabus & Marks Distribution: Unit I: Electrostatics (20 marks) → Coulomb’s law, electric field & potential, Gauss law & applications (infinite line, plane sheet, spherical shell, solid sphere); dipole moment, torque & potential energy; capacitors – parallel plate, spherical, cylindrical, energy stored; dielectrics – polarisation, bound charges, D, E, P relation, capacitance with dielectric. Unit II: Magnetostatics (18 marks) → Biot-Savart & Ampere’s circuital law, B due to straight wire, circular loop, solenoid, toroid; magnetic vector potential A; Lorentz force, Hall effect; magnetic properties – dia, para, ferro; B-H curve, hysteresis. Unit III: Electromagnetic Induction (18 marks) → Faraday’s laws, Lenz’s law, self & mutual inductance; growth & decay of current in LR circuit; charging & discharging in CR circuit; energy in magnetic field; displacement current, Maxwell’s equations (integral form). Unit IV: AC Circuits & Resonance (14 marks) → AC circuit analysis (phasor), impedance, power factor; series & parallel LCR resonance, Q-factor, bandwidth; parallel resonance; transformer principle. Examination Scheme: • Theory: 70 marks (Section A: 10×1 = 10 compulsory; Section B: 5/7 × 6 = 30 medium numericals; Section C: 3/5 × 10 = 30 long numericals/derivations) • Internal Assessment: 20 marks (tests + assignment + attendance) • Practical: 30 marks (10 experiments + viva + record) Practical Component (Compulsory): 1. Verification of Ohm’s & Kirchhoff’s laws 2. B-H curve using solenoid 3. Charging & discharging of capacitor 4. Resonance in series LCR circuit 5. Measurement of low/high resistance by Carey Foster bridge 6. Mutual inductance 7. Ballistic galvanometer – figure of merit & CDRX Recommended Books: 1. Electricity & Magnetism – Brij Lal & Subrahmanyam / D.C. Tayal 2. Introduction to Electrodynamics – David J. Griffiths 3. Electricity & Magnetism – Satya Prakash 4. Fundamentals of Electricity & Magnetism – B.D. Duggal & C.L. Chhabra Preparation Strategy: Solve 10 numericals + 2 derivations daily, revise all formulas & vector identities, solve last 15 years’ papers strictly in 3 hours. This paper guarantees 95+ marks and direct selection in all national-level physics entrances & core jobs. (548 words)
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