CBSE Class 10 Answered
Heating effect of current
Asked by | 02 Nov, 2008, 10:20: PM
Expert Answer
Resistance and resistivity of alloys remain almost constant with temperature whereas those of metals increase with the increase in temperature, hence alloys are preferred over metals for making the heating element of the heaters.
Answered by | 04 Nov, 2008, 09:30: PM
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