The circuit shown in the figure contains unidentical batteries and a bulb of unknown resistance R. For the bulb to have maximum brightness

see full answer

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!

An Intiative by Sri Chaitanya

Its resistance should be 1 Ω

Its resistance should 2 Ω

Current through bulb should be 6 Ampere

Current through bulb should be 9 Ampere

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Equivalent circuit diagram effective internal resistance r=1ΩFor maximum brightness of bulbR=r⇒R=1Ω

Watch 3-min video & get full concept clarity