Why nichrome wire hets orange color when heated.
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Nichrome wire has far, far higher resistance per unit length at a given cross section. It's an alloy chosen for that property.
The power dissipated in a resistor is the product of the resistance and current, so a larger resistance at the same current means more power dissipated as heat.
When heated, each element will emit unique wavelengths -- or colors -- of light, so the color of the flame can be used to identify the element being heated. Some basic flame colors are: calcium -- orange/red flame; sodium -- yellow/orange; potassium -- purple/pink; lithium -- crimson red; copper -- green/blue; barium -- apple green; and strontium -- crimson. Students can compare the information gathered from flame tests to identify a mystery solution.
HOPE IT HELPS U.
The power dissipated in a resistor is the product of the resistance and current, so a larger resistance at the same current means more power dissipated as heat.
When heated, each element will emit unique wavelengths -- or colors -- of light, so the color of the flame can be used to identify the element being heated. Some basic flame colors are: calcium -- orange/red flame; sodium -- yellow/orange; potassium -- purple/pink; lithium -- crimson red; copper -- green/blue; barium -- apple green; and strontium -- crimson. Students can compare the information gathered from flame tests to identify a mystery solution.
HOPE IT HELPS U.
Anuj2506091:
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