JEE Main 2019 Physics question
Two electric bulbs, rated at (25 W, 220 V) and (100 W, 220 V), are connected in series across a 220 V voltage source. If the 25 W and 100 W bulbs draw powers and respectively, then:
Answer: (B)
Solution
R = 1936 Ω, R = 484 Ω, I = 1/11 A ⇒ P = 16 W, P = 4 W.