Amongst Iron Silver Nichrome Tungsten Copper Which Metal Alloy Should Be Used To Make

Amongst iron, silver, nichrome, tungsten, copper, which metal / alloy should be used to make the (i) … (ii) Its resistance when…

Answers:

i) Heating element – Nichrome 

ii) Filament of bulb – Tungsten 

P = 750W V = 220V 

i) P = VI