1.

Two batteries of emf epsi_1 and epsi_2 (epsi_2 gt epsi_1)and internal resistancesr__1 and r_2 respectively are connected in parallel as shown in Fig. Then

Answer»

the EQUIVALENT EMF `epsi_(EQ)`of the two cells is between`epsi_1` and `epsi_2`i.e.,`epsi_1 lt epsi_(eq) lt epsi_2`
the equivalent emf `epsi_(eq)` is smaller than `epsi_1`
the `epsi_(eq)` is given by `epsi_(eq) = epsi_1 + epsi_2` always .
`epsi_(eq)` is INDEPENDENTOF INTERNAL resistances `r_1` and `r_2`

Solution :Equivalent emf `epsi_(eq)` of two cells of emf `epsi_1` and `epsi_2`joined in parallel is between `epsi_1`and `epsi_2` .


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