**3 and 5 Marks Questions**

**It is very much essential to completely solve all the exercises (including the additional exercises) given in NCERT text book. **

- What

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# Tag: expression

## Physics Revision Help for Half Yearly Exam Class XI CBSE & KVS

## IMPORTANT FIVE MARKS QUESTIONS FOR CLASS XII

Free Help in Physics for Class 11 & 12

**3 and 5 Marks Questions**

**It is very much essential to completely solve all the exercises (including the additional exercises) given in NCERT text book. **

- What

- Derive an expression for the Electric field at a point on the (i) axial line and (ii) equatorial line of an electric dipole
- Describe the principle construction and working of Van de Graff Generator.
- State Gauss’ theorem and apply it to find the electric field at a point due to
- A point charge
- A line of charge
- A plane sheet of charge
- A charged spherical conducting shell

10. Derive an expression for the effective capacitance when three capacitors are connected in (i) series (ii) parallel

11. Derive an expression for the energy stored in a parallel plate capacitor.

12.