CBSE Class 10 Answered
how electricity passes through a area of cross section
Asked by kiransudhakommuru | 12 Oct, 2018, 02:37: PM
Expert Answer
We know that,
R = ρl/A
This means that as the area of cross section increases, resistance decreases.
Which means resistance is inversely proportional to area of cross section.
And if resistance is less more current can flow through the wire.
Thus, current is diretly proportional to area of cross-section.
Answered by Shiwani Sawant | 15 Oct, 2018, 11:44: AM
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