The rain-soaked shoes of a person may explode if ground current from nearby lightning vaporizes the water. The sudden conversion of water to water vapor causes a dramatic expansion that can rip apart shoes.Water has density 1000 kg/m3 and requires 2256 kJ/kg to be vaporized. If horizontal current lasts 2.00 ms and encounters water with resistivity 150 ohm m, length 12.0 cm, and vertical cross-sectional area 15 * 10-5 m2, what average current is required to vaporize the water?
Ohm's law
Ohm’s law is a prominent concept in physics and electronics. It gives the relation between the current and the voltage. It is used to analyze and construct electrical circuits. Ohm's law states that the voltage across a conductor is directly proportional to the current flowing through it.
Path of Least Resistance
In a series of alternate pathways, the direction of least resistance is the actual or metaphorical route that offers the least resistance to forwarding motion by a given individual or body.
The rain-soaked shoes of a person
may explode if ground current from nearby lightning vaporizes
the water. The sudden conversion of water to water vapor
causes a dramatic expansion that can rip apart shoes.Water has
density 1000 kg/m3 and requires 2256 kJ/kg to be vaporized. If
horizontal current lasts 2.00 ms and encounters water with resistivity
150 ohm m, length 12.0 cm, and vertical cross-sectional area
15 * 10-5 m2, what average current is required to vaporize the
water?
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