12th PHYSICS - YEARWISE REPEATING 10 MARKS QUESTIONS IN PUBLIC EXAM

12th  PHYSICS - YEARWISE REPEATING 10 MARKS QUESTIONS IN PUBLIC EXAM

 

12 th PHYSICS - YEARWISE REPEATING 5 MARKS QUESTIONS IN PUBLIC EXAM

PHYSICS - YEARWISE REPEATING 5 MARKS QUESTIONS IN PUBLIC EXAM

 

12 th PHYSICS - YEARWISE REPEATING 3MARKS QUESTIONS IN PUBLIC EXAM

12 th PHYSICS - YEARWISE REPEATING 3MARKS QUESTIONS IN PUBLIC EXAM

 

12 thPHYSICS - YEARWISE REPEATING 3 MARK QUESTIONS IN PUBLIC EXAM

12 th PHYSICS - YEARWISE REPEATING 3 MARK QUESTIONS IN PUBLIC EXAM

UNIT : 3 Effects of electric current— ten marks questions

1. Discuss the motion of a charged articlpd or magnetifiel efine magnetic Lorentz force.

 (J - 10)

2. Explain the principle, construction,woi d i i h a neat diagram. (M - 07, 0-10, 0 -11)

3. Obtain an expression for the torque experienced by a current loop in a uniform magnetic field.

4. Obtain expression for a magnetic induction due at a point to infinitely long straight conductor carrying current. (J - 06, 0 - 09, M - 10)

5. Apply Biot — Savart law, obtain an expression for the magnetic induction at a point due to infinitely long straight conductor carrying current. (M - 06)

6. Define ampere’s circuit law. Applying it find the magnetic induction at a point due to a long solenoid carrying current. (0- 06, J -09)

7. State Joule’s law. Explain Joule’s calorimeter experiment to verify Joule’s law of heating. (J - 07, J - 12)

8. Deduce the relation for the magnetic induction, at a point along the axis of a current coil
carrying current. (0-07, M —08, M - 12)

9. State Tangent law. Explain in detail the principle, construction and theory of a tangent galvanometer. (J - 08)

10. Deduce expression for the force on a current carrying conductor placed in a magnetic field. Find the magnitude of the force. (0 - 08, M -09, J - 11, 0-12)

11. Obtain an expression for the force between two long parallel current carrying conductors. Hence define “ampere “. (M - 11)

UNIT: 1 Electrostatics — ten marks questions

1. What is an electric dipole? Derive an expression for the electric field due to an electric
dipole ata pointon itsaxial line. (M- 06,J-06, M-09,J-10, 0-10,M-11)

2. Derive an expression for electric potential due at a point to an electric dipole.
Discus the special cases. (0-06, M -08, J -08, M -10, 0-11)

3. Deduce an expression for equivalent capacitance of capacitors connected (i) parallel (ii) series. (J - 07, 0- 07)

4. Principle, construction and working of Van de Graaff generator. What is its use? (0- 08, 0- 09, 0- 12)

5. Derive an expression for electric field due to an electric dipole at a point along the equatorial line. (M -07, J - 09)

6. State Gauss’s law. Applying this calculate electric field due to (i) an infinitely long straight charged with
uniform charge density. (J - 11, M - 12)

7. Explain the principle of a capacitor. Deduce an expression for the capacitance of a parallel plate capacitor. (J -12)

8. What is dielectric? Explain the effect of introducing a dielectric slab between the plates of a parallel plate capacitor.

9. State Gauss law using this find an expression for electric field due to uniformly charged spherical shell at a point
(i)outside the shell (ii) on the surface (iii) inside the shell.