Water Could be Found in the frozen Ice on the moon. it would most likely be underground however
Answer is B raindrops conduct electricity from clouds to the ground.
Lightning is formed when air, water droplets, and even ice crystals rub violently against each other inside a thundercloud, creating two opposite kinds of electrical charge
The element is iridium and it has 77 electrons
You are correct, the answer is C.
Good insulators are materials that do not allow heat, electricity, light or sound pass through easily. Materials like steel and silver (which are metals) are not good insulators because they make good conductors. They easily allow heat, electricity and the like pass through them.
Thus, the answer is letter C. Rubber.
The amount of extra electrons present on the negative surface is
57.2 x
.
Distance =1.6 cm
Side = 24 cm
Electric field = 18000 N/C
Calculating the capacitance in the metal plates is necessary.
Using the capacitance formula

Putting the value
C = 8.85 x
x (24 x 
/1.6 x 
C = 0.318 x
F
<h3>Calculation of potential</h3>
V = Ed
V = 18000 x 1.6 x
V
V = 288 V
<h3>Calculation of charge</h3>
Q = CV
Q = 0.318 x
x 288
Q = 91.54 x
C
Charge on the both the plates
Q = +91.54 x 
Q = - 91.54 x 
Calculation of excess electrons on the negative surface:
n = q/e
n = 91.54 x
/ 1.6 x 
n = 57.2 x
electrons
Hence, the number of excess electrons on the negative surface is
57.2 x
.
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