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hammer [34]
2 years ago
9

An especially violent lightning bolt has an average current of 1.16 x 103 A lasting 0.139 s. How much charge is delivered to the

ground by the lightning bolt
Physics
1 answer:
Nana76 [90]2 years ago
6 0

Charge is current times time :

Q = I × t

Q = 1.16 × 10³ × 0.139

Q = 161.24 C

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Two 2.00 cm * 2.00 cm plates that form a parallel-plate capacitor are charged to { 0.708 nC. What are the electric field strengt
lisov135 [29]

Answer:

(a) E=200000Volts/meter

(b) E=200000Volts/meter

Explanation:

Given data

Area A=4.0 cm²=0.0004 m²

Electric permittivity ε=8.854×10⁻¹² farads/meter

Charge q=0.708 nC

To find

(a) Potential at distance=1.00mm

(b) Potential at distance=2.00mm

Solution

For (a) Potential at distance=1.00mm

First we need to find the capacitance

So

C=E*A/D\\C=8.854*10^{-12}*(0.0004/1.00*10^{-3} )\\ C=3.5416*10^{-12}farads

As we know that

Q=CV\\V=Q/C\\V=(0.708*10^{-9}C )/3.5416*10^{-12}farads\\V=200Volts

So Electric potential is given as:

E=V/d\\E=(200V)/(1*10^{-3}m )\\E=200000Volts/meter

For (b) Potential at distance=2.00mm

First we need to find the capacitance

So

C=E*A/D\\C=8.854*10^{-12}*(0.0004/2.00*10^{-3} )\\ C=1.7708*10^{-12}farads

As we know that

Q=CV\\V=Q/C\\V=(0.708*10^{-9}C )/1.7708*10^{-12}farads\\V=400Volts

So Electric potential is given as:

E=V/d\\E=(400V)/(2.0*10^{-3}m )\\E=200000Volts/meter

7 0
4 years ago
2. A phone is being charged using a current of 0.444 A.
sammy [17]
2. A phone is being charged using a current of 0.444 A.
If the resistance of the phone is 10 , what is the
voltage being applied to the phone?
7 0
3 years ago
Which type of stress is most likely the cause of irritability?
masha68 [24]

Answer:

The correct answer is - distress.

Explanation:

Eustress is a type of stress that is beneficial to person and caused by adrenaline. Hypostress is a stress that is caused due to boredom or no work. It is stress comes with wasting the time.

Distress is the bad stress caused by anxiety, sadness, grief, and such type of stress that is caused irritability. Irritability is caused not just by stress but many factors.

4 0
3 years ago
A(n) __________ is the idea that people should be able to purchase the essentials of life by working a forty-hour workweek. Many
jek_recluse [69]

Answer:

A(n)  <u>living wage</u> is the idea that people should be able to purchase the essentials of life by working a forty-hour workweek. Many local municipalities have as a result set higher minimum wages than the federally mandated minimum wage to accomplish this goal.

Explanation:

Living wage is the idea given to reduce poverty specially in cities with higher costs. It's based on the fact that one who works forty hours per week, he or she should be able to afford the basic needs of life that includes the water, food and shelter. Research has shown that the implementation of this concept has played the role in reducing poverty and enhancing the quality of life of workers. Countries like New-Zealand and united kingdom has supported this concept.

5 0
3 years ago
What is population inversion and what is laser inversion?
hoa [83]

Answer:

Population inversion, in physics, the redistribution of atomic energy levels that takes place in a system so that laser action can occur. Although absorption and emission of energy is a continuous process, the statistical distribution (population) of atoms in the various energy states is constant. ...

laser inversion is photon that can stimulate the production of other photons of exactly the same wavelength because of stimulated emission of radiation.

Explanation:

5 0
3 years ago
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