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Calcutta University Question Paper

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Name of the Examination : Calcutta University Examination

Paper: General(GE/CC-2)

Year : 2021

Full Marks: 50

Subject : Physics(G)

Category : Calcutta University Question Paper

Calcutta University Physics General Paper

 T(2nd Sm.)-Physics-G/(GE/CC-2)/CBCS

(2018-19 and 2019-20 Syllabus)

2021

PHYSICS — GENERAL

(2018 - 19 and 2019 - 20 Syllabus)

Paper: GE/CC-2

(Electricity and Magnetism)

Full Marks: 50

Candidates are required to give their answers in their own words

as far as practicable.

Physics General Paper 2021(Based on 2018 syllabus)

(Syllabus - 2018)

[ English Version]

বাংলায় প্রশ্নপত্র ডাউনলোড করতে এখানে ক্লিক করুন

The figures in the margin indicate full marks.

Answer question no. 1 and any four questions from the rest.

1. Answer any five questions: 2×5

(a) State Thevenin’s theorem.

(b) Define relative permittivity of a dielectric medium.

(c) Write down the expression of potential for a dipole with moment P..

(d) What will be the impedance of a series LCR circuit at resonance and why?

(e) Two straight wires, each of 10 cm long, are parallel to each another and     

      separated by a distance of 2 cm. If currents of 30A and 40A flow through  

      them respectively, then calculate the force experienced by either of the

      wires.

(f) State Gauss’ theorem in electrostatics.

(g) Give physical explanation of Poynting vector.

2.

• (a) Derive Coulomb’s law from Gauss’ theorem. Write down the essential assumptions for this derivation.
• (b) If the intensity of the electric field near the earth’s surface is 330 V/m directed downwards, calculate
• the surface density of charge on the earth’s surface.
• (c) Find the expression of Energy per unit volume in electrostatic field.                                                                                                                                            (4+1)+3+2

3.

• (a) Write and explain Norton’s theorem for linear network with proper circuit diagram.
• (b) Show that the efficiency during maximum power transfer is 50%.
• (c) Find the characteristic impedance of an LCR series circuit.
• (d) Find the Thevenin equivalent circuit representation of the following circuit.                                                                                                                                                             3+2+2+3

4.

• (a) Define electric susceptibility and permittivity.
• (b) Two-point charges of magnitude +q are situated at (a, a, 0) and (a, 0, 0) respectively. Calculate the dipole moment of the charge distribution.
• (c) What do you mean by linear and non-linear dielectric medium?
• (d) State Coulomb’s law. Find the electric potential and field due to a uniformly charged disc at the centre of it.                                                       2+2+2+4

5.

• (a) In case of a long solenoid show that the magnetic field intensity at a point well inside the solenoid is double that at the end.
• (b) What is Lorentz force?
• (c) How can you distinguish between a ferromagnetic, paramagnetic and diamagnetic material?
• (d) A magnetic shell is in the shape of a disc of radius 0.05m. Its intensity of magnetization is 3·2 × 10⁶  A/m and its thickness is 2mm. Calculate the potential and magnetic field on the axis of the disc at a distance of 8 cm from the centre.                                                                                                             3+2+2+3

6.

• (a) What do you mean by self-inductance of a coil?
• (b) Show that the magnetic energy stored in an inductor is given by W═1/2LI²
• (c) What is a magnetic dipole?
• (d) An electron of an atom moves a round a nucleus in a circular path of radius 5·26 × 10^–11 m with a velocity 2·2 × 10⁶  m/s. Calculate the magnetic field at the centre and equivalent magnetic dipole moment of the orbit.                                                  [Charge of the electron = 1·6 × 10^–19C].                                               2+3+2+3

7.

• (a) Write down the Maxwell’s equations of electromagnetism in free space with the explanation of the symbols.
• (b) Deduce the equation of continuity for current density.
• (c) Find the dimension of the electric displacement vector.           4+4+2

 T(2nd Sm.)-Physics-G/(GE/CC-2)/CBCS

(2018-19 and 2019-20 Syllabus)

Physics General Paper 2021(Based on 2019 syllabus)

(Syllabus - 2019)

[ English Version]

বাংলায় প্রশ্নপত্র ডাউনলোড করতে এখানে ক্লিক করুন

The figures in the margin indicate full marks.

Answer question no. 1 and any four questions from the rest.

1. Answer any five questions: 2×5

(a) Find a vector perpendicular to the plane of the vectors A=3i-2j+4k and B=i+j-2k.

(b) Find the SI unit of permittivity (ℇ₀) of free space.

(c) Write down the expression of potential for a dipole with moment P.

(d) Two metal plates of area 2m² face each other with a separation of 10 cm and carry equal and opposite charges on their inner surface. If the electric field between the plates is 100 N/C, find the charge on the plates.

(e) Two straight wires, each of 10 cm long, are parallel to one another and separated by a distance of 2 cm. If currents of 30A and 40A flow through them respectively, then calculate the force experienced by either of the wires.

(f) State Lenz’s law for electromagnetic induction.

(g) What is Poynting vector?

2.

3.

• (a) State and prove Gauss’ theorem of electrostatics. Using this find the electric field near a uniformly charged plane sheet.
• (b) If the intensity of the electric field near the earth’s surface is 330 V/m directed downwards, calculate the surface density of charge on the earth’s surface.
• (c) Find the expression of Energy per unit volume in electrostatic field.                                                                                                                                   (3+2) +3+2

4. 

• (a) Define electric susceptibility and permittivity.
• (b) Two-point charges of magnitude +q are situated at (a, a, 0) and (a, 0, 0) respectively. Calculate the dipole moment of the charge distribution.
• (c) What do you mean by linear and non-linear dielectric medium?
• (d) State Coulomb’s law. Find the electric potential and field due to a uniformly charged disc at the centre of it.                                                 2+2+2+4

5.

• (a) In case of a long solenoid show that the magnetic field intensity at a point well inside the solenoid is double that at the end.
• (b) What is Lorentz force?
• (c) How can you distinguish between a ferromagnetic, paramagnetic and diamagnetic material?
• (d) A magnetic shell is in the shape of a disc of radius 0.05 m. Its intensity of magnetization is 3·2 × 106 A/m and its thickness is 2 mm. Calculate the potential and intensity on the axis of the disc at a distance of 8 cm from the centre.                                                                                                                 3+2+2+3 

6.

• (a) What do you mean by self-inductance of a coil?
• (b) Show that the magnetic energy stored in an inductor is given by W═1/2LI²
• (c) What is a magnetic dipole?
• (d) An electron of an atom moves round a nucleus in a circular path of radius 5·26 × 10–11 m with a velocity 2·2 × 106 m/s. Calculate the magnetic field at the centre and equivalent magnetic dipole moment of the orbit.[Charge of the electron = 1·6 × 10–19 C].                                                                                        2+3+2+3

7.

• (a) Write down the Maxwell’s equations of electromagnetism in free space with the explanation of the symbols.
• (b) Deduce the equation of continuity for current density.
• (c) Find the dimension of the electric displacement vector.     4+4+2

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Calcutta University Question Paper 2021:

The University of  Calcutta takes the entrance exam for selecting candidates. But now days CU published merit list according to obtain marks in previous exam. If any college takes entrance exam in order to admission then students should practice his/her subjects from previous year question paper as our website uploaded several years of question paper you will find in “page” name “CU” in our website. Therefore, all the students must download the Calcutta University Question Paper in PDF from this website or you can download question paper from official website of CU. Previous year question paper will help you to know the pattern of Calcutta university question paper. It can surely help you that what type of question can come in the admission test of CU or other exam like sem ester examination in CU. Therefore, it is very important for all the students to download.

Download Calcutta University Question Papers Last 10 Years in PDF.

Last 10 years Question Paper will help you to prepare for your upcoming Calcutta university examinations. You can download all subjects question paper for general and honours courses here. All papers coded like GE, CC-I, CC-II all these types of question paper you can download from this website as we upload all papers.

You can also download Old Question Papers of Semester Exams will help you to prepare the important topics which are recurrent in the exams. Therefore, in this content, we are giving full description on Calcutta University Question paper.

Question Papers of Calcutta University

The interested candidates who want to study any course from the university must fill the Calcutta University Application Form 2021.  However, the admission for Graduate (Honours and General), Postgraduate and Ph.D. courses is on the basis on written entrance exam. So, the candidates should  practice well for the entrance examination by solving Calcutta University MA Entrance Exam Question Papers in order to score good marks in the exam. Therefore, in this content, we are giving all important details regarding the Calcutta University Model Papers and general instructions for the candidates. So, it will surely help the students to get good marks in exam as well as in semester exam.

Therefore , interested candidates who want to download the question paper of Calcutta university all categories examination can download question paper easily by just clicking on “CLICK HERE” text which is given below. Apart  from all question papers you will get sample papers for practice.

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Entrance Model Papers are available in PDF format. Therefore, the candidates can download the previous year question papers and last 10 years question paper of various courses here or from the official website of the university. However, if you want to get good marks in exam then you should start focus on previous year question paper and start solving each paper of subject by himself/herself. Because these question papers are really beneficial for the students to know the actual pattern of the question paper and the important topics for the examination. Also, the candidates can download the Calcutta University Question Papers from the official website of the university.

 

If you to download Question Paper of Calcutta University from official website of Calcutta University you need to follow these steps given below

How To Download Calcutta University Question Paper :

·        At First you have to visit the official website of Calcutta University and click on the section of  “Students Corner”

·        Then search for the Entrance exam and semester wise question papers you want  along with the subject.

·        After that click on the link , you are able to download the question papers.

·        So, in the next step, you will find the link on the same page to download the question paper official site of Calcutta University.

·        Click on the download link and wait for while and find out the document

·        Finally, the candidates can access the question papers from their documents. Moreover, they should practice those question paper in order to secure a good rank in the examination.

Model test papers or previous year question paper are very important for those students who are currently a part of university. As they get lots of information about the pattern and get full knowledge of question paper pattern. However,  students who are in part of any course in college which is under Calcutta University will get all pattern regarding question paper of CU.

So, if a candidate prepares himself/herself  carefully through practicing model test papers and previous year question papers, then his/her chances of getting good marks increases. Therefore question papers are meant to make the candidates aware of the exam pattern for their upcoming examination. It is also increases the knowledge of  time according to question numbers. Therefore, the students need to pay a full attention to solve the previous year question papers for the entrance exam.

Download question Paper in PDF  CLICK HERE

If you regularly solving the previous year question or model question paper, it will surely enhance your confidence level.

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Therefore , if you follow this steps of study move carefully or gradually it will sure help you to get secure marks in entrance exam as well as semester exams.