The average electric current in the lightning will be 8 ×
A
<h3>
Why Lightning Conductors on top of a tower ?</h3>
The lightning conductors are long metal strips running from the spike end of a conductor on the top of a building to the earth. They are used to prevent buildings from destruction when struck by thunder or lightning.
Given that a lightning strike can transfer as much as electrons from the cloud to the ground. if the strike lasts 2ms, to calculate the average electric current in the lightning, we will first consider the charge released.
one charge = 1.6 ×
C
Average current I = Q/t
Where
- Q = charge = 1.6 ×
C
- t = time = 2ms = 2 ×
s
Substitute all the parameters into the formula
I = 1.6 ×
C ÷ 2 × 
I = 8 ×
A
Therefore, the average electric current in the lightning will be 8 ×
A
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Physically, because of environmental factors such as air, and water. Create corrosion which in turn erode the rock.
In this problem, we are asked to prove that OCl2 is polar. The VSEPR model of OCl2 is bent. Cl has an electornegativity of 3.16 while O has an electronegativity of 3.44. In this case, we add the two individual dipole moments because they are vectors. Since the sum is equal to greater than 0.5, the molecule should have to be polar.
They turn into a liguid. it is the opposite of evaporation. it didn't get hotter, it got cooler
Answer:
B
Explanation:
It's because the line keeps going straight meaning it has a constant velocity from beginning to end.