which alloy is preferred to make the coal of heaters and bulb and why it is preferred
GershomSA:
Do you mean COIL
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Nichrome because it's melting point is very high.
pls tell of bulb and heater separately and why
plz ans my ques
plz
nichrome is preferred for making coil in heater because it has High electrical resistivity, High Melting Point, Low Tendency to oxidize, Low Temperature coefficient of resistance
thanks
for bulb tungsten is used because it has highest melting point, lowest vapor pressure, and greatest tensile strength out of all the metals.
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