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What is nichrome ?...

What is nichrome ?

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Nichrome is an alloy of nickel, chromium, mannganese and iron metals.
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Answer the following question- Is nichrome a mixture?

Find the resistance of a nichrome wire of length 1m and area of cross-section 2mm^(2) .The resistivity of nichrome of nichrome is 100xx10^(-6)Ohm-m .

A heating element using nichrome connected to a 230 V supply draws an initial current of 3.2 A which settles after a few seconds to a steady value of 2.8 A. What Is the steady temperature of the heating element If the room temperature is 27.0^@C ? Temperature coefficient of resistance of nichrome averaged over the temperature range involved is 1.70 xx 10^-4@C .

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