Question

Lightning Strikes. During lightning strikes from a cloud to the ground, currents as high as 25.000 A can occur and last for about 120 How much change in
C) is transferred from the cloud to the earth during such a strike?​
answer fast

Answer 1

The amount of charge transferred from the cloud to the earth will be 3 coulombs.

Given:

Current (I) = 25000 A

Time (t) = 120 µs

We need to convert micro seconds into seconds

For that,

1 µs = $10^{-6}$ s

120 µs = 120 × $10^{-6}$ s

To Find:

The amount of charge transferred from the cloud to the earth.

Solution:

The answer to this question can be found very easily as given below,

We know that the current flowing during the lightning,

Current (I) = $\frac{Change in Charge}{Change in time}$

I = $\frac{\delta Q}{\delta t}$

$\delta Q$ = $\delta t$ × I

$\delta Q$ = 120 × $10^{-6}$ × 25000

$\delta Q$ = 0.00012 × 25000

$\delta Q$ = 3 Coulombs

Hence, the amount of charge transferred from the cloud to the earth will be 3 coulombs.

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