Old Question Paper of Nalanda Open University

Annual Examination - 2015

B.Sc. Physics (Honours), Part-II

Paper-IV (Electrostatics, Magnetism Current Electricity and Modern Physics)

Time: 3.00 Hrs. Full Marks: 80

Answer any five questions. All questions carry equal marks.

1. Define a quadrupole. Calculate the field and potential at a point far away from a linear quadrupole.

2. What is hysteresis? Show that the energy loss per unit volume per cycle of magnetization is equal to ยต0 times the area of the hysteresis loop.

Annual Examination - 2015

B.Sc. Physics (Honours), Part-II

Paper-IV (Electrostatics, Magnetism Current Electricity and Modern Physics)

Time: 3.00 Hrs. Full Marks: 80

Answer any five questions. All questions carry equal marks.

1. Define a quadrupole. Calculate the field and potential at a point far away from a linear quadrupole.

2. What is hysteresis? Show that the energy loss per unit volume per cycle of magnetization is equal to ยต0 times the area of the hysteresis loop.

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