Problem 20.27: Magnetic force on a lightning bolt. Currents during lightning str

Question

Problem 20.27: Magnetic force on a lightning bolt.

Currents during lightning strikes can be up to 50000A (or more!). We can model such a strike as a 52000A vertical current perpendicular to the earth's magnetic field, which is about 12 gauss.

Part A

What is the force on each meter of this current due to the earth's magnetic field?

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Problem 20.27: Magnetic force on a lightning bolt.

Currents during lightning strikes can be up to 50000A (or more!). We can model such a strike as a 52000A vertical current perpendicular to the earth's magnetic field, which is about 12 gauss.

Part A

What is the force on each meter of this current due to the earth's magnetic field?

SubmitMy AnswersGive Up

Explanation / Answer

I think that F=42N

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