Q2 of 30 Page 201

Two batteries of emf ε1 and ε2 (ε2 > ε1) and internal resistances r1 and r2 respectively are connected in parallel as shown.


And are in parallel connection.


The equivalent emf will be



The equivalent emf depends on the and . So option D. is wrong.


Equivalent emf is not equal to ε1 + ε2. So option C. is wrong.


From the above equation is can’t be smaller than ε1. So option B. also wrong


So option A. is the correct answer.

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