PART66 Licensing Info
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• Licence Categories
• Modularization
• Number of questions
• Experience requirements
• Licence extension
Module 3. Electrical fundamentals
If the cross-sectional area of a conductor is doubled, with voltage constant, the current will
• remain constant.
• double.
• halve.
iskandarazli asking:
• anybody can help me explain about this?
Community comments: 1
• remain constant.
• double.
• halve.
iskandarazli asking:
• anybody can help me explain about this?
Community comments: 1
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Posts: 511
22.02.2012 / 14:45
Formula for resistance of conductor is: R = (r * L) / A
Where r = resistivity of conductor (http://hyperphysics.phy-astr.gsu.edu/hbase/tables/rstiv.html)
L = lenght
A = cross section area
Then apply ohms law: I = U / R