Two batteries of e.m.f. 4 V and 8 V with internal resistances 1 Ω and 2 Ω are connected in a circuit with a resistance of 9 Ω as shown in figure. The current and potential difference between the points P and Q are

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away

An Intiative by Sri Chaitanya

13 A and 3 V

16 A and 4 V

19 A and 9 V

12 A and 12 V

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

Applying Kirchhoff's voltage law in the given loop,−2i+8−4−1 × i−9i=0⇒ i=13 APotential difference across PQ=13 × 9 = 3 V

Watch 3-min video & get full concept clarity