VIVEKANANDA COLLEGE, ALIPURDUAR

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SUB:- PHYSICS SEM:- 3RD PAPER:-Electricity and Magnetism

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1. The magnetic field near a current carrying conductor is given by:

2 points

(a) Coulomb's law

(b) Lentz's law

(d) Kirchhoff's law

2. Unit of electric field:

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(a) N/C

(b) J/C

(d) N/C²

3. Lentz's law is another form of,

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(a) Conservation of linear Momentum

(b) Conservation of angular momentum

(d) Conservation of Energy

4. Maximum power delivered by a cell to a output circuit when

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(a) Output resistance is zero

(b) Output resistance is equal to input resistance

(d) Output resistance is double of input resistance

5. Iron is a

2 points

(a) Para magnetic material

(b) Ferromagnetic material

(d) Ferri magnetic material

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