If a copper wire with a diameter of 1 mm carries a current 5A, what is the current density?
Question
Solution 1
To find the current density, we need to calculate the cross-sectional area of the copper wire.
Step 1: Calculate the radius of the wire. The diameter of the wire is given as 1 mm. To find the radius, we divide the diameter by 2. Radius = 1 mm / 2 = 0.5 mm = 0.0005 m
Step 2: Calculate the cross-se Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study prob
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