Mathematics · Electric Current and Density
A soft graphite brush has a contact area of 5 cm2. If the current density of the material is 9 A/cm2, how much total current can it carry?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 150 A
- 242 A
- 335 A
- 445 A✓
Correct answer
45 A
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