Solved Comprehensive Questions of Second Year Physics
Q 1 | State and explain Coulomb’s law. Do include the case when the charges are placed in dielectrics. Discuss how the unit of charge coulomb is defined? See answer |
Q 2 | Explain the concept of electric field and hence define electric field intensity. Discuss the direction as well the unit of E. |
Q 3 | Explain the concept of electric flux. Using mathematical representations of electric flux to show that how electric flux is maximum and minimum. |
Q 4 | State and explain Gauss’ Law for electrostatics. Also discuss its application with daily life examples. |
Q 5 | Explain the concept of electric potential. Derive expression for electric potential at a field point due to a source. |
Q 6 | Describe the construction of a capacitor and derive an equation for the energy stored in a capacitor. |
Q 7 | Describe the concept of equipotential surfaces and derive an expression for electric field as negative of potential gradient. |
Q 8 | Explain the phenomenon of electric polarization. Discuss how the phenomenon of polarization account for the increase in the capacitance of a capacitor when instead of air, dielectric is inserted between the plates? |
Q 9 | Derive an expression for the capacitance of a parallel plates capacitor when a dielectric is inserted between the plates of the capacitor. |
Q 10 | Describe the process of charging and discharging a capacitor. Give diagram and mathematical expressions for the growth and decay of charge on the capacitor. |
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