Category : Exam Preparation Tips
Capacitance is the ability of a body to store an electrical charge. Any object that can be electrically charged exhibits capacitance. A common form of energy storage device is a parallel-plate capacitor. In a parallel plate capacitor, capacitance is directly proportional to the surface area of the conductor plates and inversely proportional to the separation distance between the plates. If the charges on the plates are +q and -q, and V gives the voltage between the plates, then the capacitance C is given by
C = frac{q}{V}.
which gives the voltage/current relationship :I(t) = C frac{mathrm{d}V(t)}{mathrm{d}t}.
Visit below links for more detailed knowledge of capacitance:
http://www.studyadda.com/videos/jee-physics-lectures/capacitance/capacitance/1768
http://www.studyadda.com/videos/jee-physics-lectures/capacitance/energy-stored-in-capacitor/1772
http://www.studyadda.com/videos/jee-physics-lectures/capacitance/problems-on-equivalent-capacitance-4/1773

Video Lecture Taught By- Mr. Lalit Sardana (IIT-JEE,AIR 243) ,Sardana Tutorials
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