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What Are the Forms of Energy into Which the Electrical Energy of the Atmosphere is Dissipated During a Lightning? - Physics

Question

What are the forms of energy into which the electrical energy of the atmosphere is dissipated during a lightning? (Hint: The earth has an electric field of about 100 Vm−1 at its surface in the downward direction, corresponding to a surface charge density = −10−9 C m−2. Due to the slight conductivity of the atmosphere up to about 50 km (beyond which it is good conductor), about + 1800 C is pumped every second into the earth as a whole. The earth, however, does not get discharged since thunderstorms and lightning occurring continually all over the globe pump an equal amount of negative charge on the earth.)

Solution

During lightning and thunderstorm, light energy, heat energy, and sound energy are dissipated in the atmosphere.

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 NCERT Solution for Physics Textbook for Class 12 (2018 (Latest))
Chapter 2: Electrostatic Potential and Capacitance
| 37.4 | Page no. 92
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What Are the Forms of Energy into Which the Electrical Energy of the Atmosphere is Dissipated During a Lightning? Concept: Equipotential Surfaces.
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