nicrome is not used as filament in incandescent lamps.why?
answer: when heated to high temperature it remins only as red hot white light is not emittedfrom it.
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Nichrome wire, an alloy of nickel and chromium, and often iron (or other elements) is good for making heaters but not lamps. At rated voltages, nichrome will glow orange-red, not the bright white that is needed for illumination. If you increase the voltage to get a brighter color, the nichrome will burn open (melt.)
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because it good conducter of heat
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