Current Electricity

JEE Main level, single correct, medium

264 of 380

Question 264 of 380

A 6.06.0 volt battery is connected to two light bulbs as shown in figure. Light bulb 1 has resistance 3 ohm while light bulb 2 has resistance 6ohm6 \mathrm{ohm}. Battery has negligible internal resistance. Which bulb will glow brighter?

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Answer: (B) Bulb 1

Total resistance =6×36+3=2Ω=\frac{6 \times 3}{6+3}=2 \Omega Current in circuit =62=3A=\frac{6}{2}=3 A
Therefore current through bulb 1 is 2 A2 \mathrm{~A} and bulb 2 is 1A1 A. So bulb 1 will glow more.

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