Q. Capacitance of earth is approximately

पृथ्वी की धारिता लगभग है

A

1 μF

B

11 μF

C

710 μF

D

710 F

Explanation

Using the Earth’s radius (~6,400 km), its capacitance as a conducting sphere is:

C = 4\pi\varepsilon_0 R \approx 710 \, \mu \text{F}

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