The filament of an electric bulb is made of: March 27, 2021 / By Preparation Point / EXCISE & TAXATION INSPECTOR DG Khan Region Control Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedInA) Tungsten ✓ B) graphite C) Platinum D) steel Share this:TwitterFacebookMoreTelegramWhatsAppLike this:Like Loading... Related Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn