Two batteries of emf ε 1 and ε 2 (ε 2 ε 1 ) and internal resistances r 1 and r 2 respectively are connected in parallel as shown in Fig 3.1.

Question

Two batteries of emf ε 1 and ε 2 (ε 2 > ε 1 ) and internal resistances r 1 and r 2 respectively are connected in parallel as shown in Fig 3.1.

Philoid · Accepted Answer

The equivalent resistance is given by

Here, let’s take