During a thunderstorm, a lightning "bolt" carries current between a cloud and the ground below. If...
During a thunderstorm, a lightning "bolt" carries current
between a cloud and the ground below. If a particular bolt carries
a total charge of 15 C in 1.5 ms, what is the magnitude of the
current?
A
How many electrons are involved in this process?
electrons
Homework Answers
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During a thunderstorm, a lightning "bolt" carries current
between a cloud and the ground below. If...
14. (10 pts) Lightning (a flow of electrons between the ground and a thundercloud) lasts about...
14. (10 pts) Lightning (a flow of electrons between the ground and a thundercloud) lasts about 120us. The rate of charge flow in a typical lightning bolt is about 25,000 coulombs per second. A) How much total charge flows between the ground and the cloud during a typical lightning bolt? B) How many electrons flow during this time? 15. (10 pts) 4 charges are placed at the corners of a square of side 1 m. What is the electric field...
During a particular thunderstorm, the electric potential between a cloud and the ground is Vcloud -...
During a particular thunderstorm, the electric potential between a cloud and the ground is Vcloud - Vground = 1.5 x 108 V, with the cloud being at the higher potential. What is the change in an electron's potential energy when the electron moves from the ground to the cloud?
Lightning occurs when there is a flow of electric charge (principally electrons) between the ground and...
Lightning occurs when there is a flow of electric charge (principally electrons) between the ground and a thundercloud. The maximum rate of charge flow in a lightning bolt is about 20,000 C/s this lasts for 100 μs or less. 1.How much charge flows between the ground and the cloud in this time? (Q= ? C) 2.How many electrons flow during this time? (n_e = ? )
The electric potential difference between the ground and a cloud in a particular thunderstorm is 1500...
The
electric potential difference between the ground and a cloud in a
particular thunderstorm is 1500 x 10^12 V. What is the magnitude of
the change in the electric potential energy of a particle, whose
charge is (1.8 x 10^15)e, that moves between theses points.
#5a. The electric potential difference between the ground and a cloud in a particular thunderstorm is 1500 x 1012 V What is the magnitude of the change in the electric potential energy of a particle,...
QUESTION 3 A lightning bolt might carry a current of 100 A and last for about...
QUESTION 3 A lightning bolt might carry a current of 100 A and last for about 31 ms, as shown in the figure below. Determine the amount of charge (in coulombs) that is exchanged between ground and cloud is such a lightning bolt. (Enter your answer as a number without the units.) +i=10°
The magnitude of the potential difference between a particular storm cloud and the surface of the...
The magnitude of the potential difference between a particular storm cloud and the surface of the Earth is 4.5×108V. A lightning bolt transfers a total charge of -13.5C from the cloud to the surface. How much energy is transferred from the cloud to the ground during the lightning strike?
The electric potential difference between the ground and a cloud in a particular thunderstorm is 13...
The electric potential difference between the ground and a cloud in a particular thunderstorm is 13 X 108 V. What is the magnitude of the change in the electric potential energy of an electron that moves between the ground and the cloud?
One summer afternoon in Colorado, a thunderstorm rages across the plains. As a lightning scien- tist,...
One summer afternoon in Colorado, a thunderstorm rages across the plains. As a lightning scien- tist, you’ve discovered that it takes approximately 0.20 ms for electrons to flow from the bottom of the thunderstorm cloud to the ground. You’ve determined that roughly 2.6 Coulombs of charge are transferred in that time. Based on your data, what is the current of a typical lightning strike? If this current flowed through your body, would it be fatal? (Refer to the class notes...
3. (Biot-Savart for currents) A lightning bolt carries current I straight down toward the ground. You...
3. (Biot-Savart for currents) A lightning bolt carries current I straight down toward the ground. You are standing a distance d away from the impact point along the +y axis. If the bolt originates at a height z h and terminates on the ground at z 0, (a) find a formula for the magnitude of the magnetic field you experience, and give its direction. [ Hint: this is almost the same as a derivation we did in class.] (b) Simplify...
Suppose that, on average, the time between lightning strikes is 15 seconds during a particular thunderstorm...
Suppose that, on average, the time between lightning strikes is 15 seconds during a particular thunderstorm and is exponentially distributed. (a) Determine the pdf and pdf of the distribution for the time between lightning strikes. (b) What is the probability that the time between lightning strikes is below average? (Provide only an exact expression.
14. (10 pts) Lightning (a flow of electrons between the ground and a thundercloud) lasts about 120us. The rate of charge flow in a typical lightning bolt is about 25,000 coulombs per second. A) How much total charge flows between the ground and the cloud during a typical lightning bolt? B) How many electrons flow during this time? 15. (10 pts) 4 charges are placed at the corners of a square of side 1 m. What is the electric field...
The
electric potential difference between the ground and a cloud in a
particular thunderstorm is 1500 x 10^12 V. What is the magnitude of
the change in the electric potential energy of a particle, whose
charge is (1.8 x 10^15)e, that moves between theses points.
#5a. The electric potential difference between the ground and a cloud in a particular thunderstorm is 1500 x 1012 V What is the magnitude of the change in the electric potential energy of a particle,...
QUESTION 3 A lightning bolt might carry a current of 100 A and last for about 31 ms, as shown in the figure below. Determine the amount of charge (in coulombs) that is exchanged between ground and cloud is such a lightning bolt. (Enter your answer as a number without the units.) +i=10°
The electric potential difference between the ground and a cloud in a particular thunderstorm is 13 X 108 V. What is the magnitude of the change in the electric potential energy of an electron that moves between the ground and the cloud?
3. (Biot-Savart for currents) A lightning bolt carries current I straight down toward the ground. You are standing a distance d away from the impact point along the +y axis. If the bolt originates at a height z h and terminates on the ground at z 0, (a) find a formula for the magnitude of the magnetic field you experience, and give its direction. [ Hint: this is almost the same as a derivation we did in class.] (b) Simplify...
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