A thin brass rectangular sheet of sides 15.0 and 12.0 cm is heated in a furnace to 600C and taken out. How much electric power is needed to maintain the sheet at this temperature, given that its emissivity is 0.250? A thin brass rectangular sheet of sides 15.0 and 12.0 cm is heated in a furnace to 600C and taken out. How much electric power is needed to maintain the sheet at this temperature given that its emissivity is 0.250? September 1, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related