JEE Main 2018 — Current Electricity Question with Solution
From: JEE Main 2018 (Offline)
Question
Two batteries with e.m.f 12 V and 13 V are connected in parallel across a load resistor of 10 . The
internal resistances of the two batteries are 1 and 2 respectively. The voltage across the load lies between :
Choose an option
Show full solutionCorrect option: C
Correct answer
C11.5 V and 11.6 V
Step-by-step explanation
Let potential at S, T, R = V and potential at P, Q, U, = 0
Using kirchhoff's law at P :
Current at P is ,
+ + = 12 +
=
=
V = 11.56 Volt.
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This is a previous-year question from JEE Main 2018, covering the Current Electricity chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.