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Type: Multiple-Choice
Category: Magnetism and Electricity
Level: Grade 10
Author: avadhitalera
Created: 2 weeks ago

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Magnetism and Electricity Question

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Grade 10 Magnetism and Electricity

An aluminum rod of length 3.14 m is a square cross-section 3.14 mm^2. What should be the radius of 1 m long another rod of same material to have equal resistance?
  1. 2mm
  2. 4 mm
  3. 1 mm
  4. 6 mm
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