A lightning strike generates a current 30,000 A and it takes about 0.024 seconds to travel from the cloud to the ground. How much charge does it carry?
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- Measurements made during severe electrical storms reveal that lightning bolts can carry as much as 30 C of charge and can travel between a cloud and the ground in time intervals of around 100 μs (and sometimes even shorter). Potential differences have been measured as high as 400 million volts. 1)What is the current in such a lightning strike? (Express your answer to two significant figures.) 2)What is the resistance of the air during such a strike? (Express your answer to two significant figures.) 3)How much energy is transferred during a severe strike? (Express your answer to two significant figures.) 4)What mass of water at 100∘C could the lightning bolt in part (3) evaporate? The latent heat of vaporization of water at 100∘C is LV=2260 kJ/kg. (Express your answer to two significant figures.)A silver wire 2.6 mm in diameter transfers a charge of 420 C in 80 min. Silver contains 5.8x1028 free electrons- per cubic meter. What is the magnitude of the drift velocity (in x 10-6 m/s) of the electrons in the wire? (e 1.60 x 10-19C) %3D C E 1.78 2.78 3.36 4.50 5.30 itfen birini seçin: O D ОЕA large lightning bolt had a 20,000-A current and moved 30.0 C of charge. What was its duration? 0.0030 s 0.0060 s 0.0045 s 0.0015 s
- An electric car accelerates for 6.2 s by drawing energy from its 350-V battery pack. During this time, 1400 C of charge pass through the battery pack. Find the minimum power rating of the car.4A current of 9.50 A flows in a conductor for 6.0 s. How much charge passes a given point in the conductor during this time?
- A small light-bulb draws 0.14-A current from a 5.5-V battery. In 2 min: (a) How much charge flows from the battery? The charge, Q = 16.8 Units C (b) How much energy does the battery supply? The energy, E = 92.4 Units J (c) How many electrons passes through a point in the circut every second? The number of electrons, N = Units no units requiredYou have a battery marked "6.00 V." When you draw a current of 0.387 Afrom it, the potential difference between its terminals is 5.25 V. What is the potential difference Δ? when you draw 0.583 A?A typical lightning bolt may last for 0.197s and transfer 1.19 ✕ 1020 electrons. Calculate the average current (in A) in the lightning bolt.