Electricity doubts clear!!!
Asked by nishant27_c | 7th Jan, 2010, 11:10: AM
Expert Answer:
Hi dear,
when electrons move down a wire in electricity, the atoms (or ions ) get in their way and cause resistance. the longer the wire, the more ions for the electrons to bump into on their path, and so, the greater the resistance.
Hope this helps.
Topperlearning.com
Answered by | 7th Jan, 2010, 11:21: AM
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