Multiple Choice
A lightning bolt hits the ground carrying a current of 3 × 104 A. If the strike lasts 50 ms, how much charge enters the ground?
Table of contents
- 0. Math Review31m
- 1. Intro to Physics Units1h 29m
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- Average Velocity32m
- Intro to Acceleration7m
- Position-Time Graphs & Velocity26m
- Conceptual Problems with Position-Time Graphs22m
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- Biot-Savart Law (Calculus)18m
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- 30. Induction and Inductance3h 38m
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- Impedance in AC Circuits18m
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- 32. Electromagnetic Waves2h 14m
- 33. Geometric Optics2h 57m
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- 35. Special Relativity2h 10m
27. Resistors & DC Circuits
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12:10 minutesOpen Question
An aluminum wire consists of the three segments shown in FIGURE P27.64. The current in the top segment is 10 A. For each of these three segments, find theb. Current density J. Place your results in a table for easy viewing.
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