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A Fan with Copper Winding in Its Motor Consumes Less Power Compared to a Similar Fan with Aluminium Winding. Explain. - Physics

Short Note

A fan with copper winding in its motor consumes less power compared to a similar fan with aluminium winding. Explain.

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Solution

A copper wire has higher conductance than an aluminium wire. So, a copper wire offer less resistance to the current flow than an aluminium wire. Thus, there is more heat dissipation in an aluminium wire than in a copper wire. This is why a fan with copper winding in its motor consumes less power compared to a similar fan with aluminium winding.

Concept: Electric Currents in Conductors
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APPEARS IN

HC Verma Class 11, Class 12 Concepts of Physics Vol. 2
Chapter 10 Electric Current in Conductors
Short Answers | Q 8 | Page 196
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