Question

MATERIAL SECTION Materials Formulae Equations E-holk Constants h-4.125 x 10"eVs c 3 x 10 m's c, (w) = 0140 k.Akg K) Density of W-1925 g/em Violet light, λ-040425 pm Blue light, λ-0424-0 49 μm Green light, λ 0490 55 μm Yellow light, λ-055056 Orange light, λ-o560 6Spm Red light, λ-0.65-0.7 μm α(W) " 4 x 104K" Cp of water-4.2kJ/kg.k); Density of water: 1000 kg/m 01: 11+1+2+2-6 Marks Qla: Does the connection below represent a forward biased or reversed biased situation? Circle the correct answer Forward biased / Reversed biased p-type n-type depletion region 01b: Convert 30° C to Kelvin Qle: Consider that one of these materials is the Tungsten used as the filament in a light bulb. If the filament is 60cm long and 10mm in diameter at room temperature 30° C and the operating temperature is 2500K, what will be the length and diameter of the filament at the operating temperature?

Answer 1

la Cona 303 K

or 303 K d小rence, 2S00-303 219子K kupnal,re T: increase in J^