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

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Short Note

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.)

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Solution

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

Concept: Equipotential Surfaces
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APPEARS IN

NCERT Physics Part 1 and 2 Class 12
Chapter 2 Electrostatic Potential and Capacitance
Exercise | Q 2.36 (d) | Page 92
NCERT Class 12 Physics Textbook
Chapter 2 Electrostatic Potential and Capacitance
Exercise | Q 37.4 | Page 92
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