When a currentof 2Aflows in a batteryfromnegative to positive terminal, thepotential difference across
it is 12V. If a current of 3Aflowing in the opposite direction produces a potential difference of 15V, the
EMF of the battery is
(A) 12.6 V (B) 13.2 V (C) 13.5 V (D) 14.0 V
When a currentof 2Aflows in a batteryfromnegative to positive terminal, thepotential difference across
it is 12V. If a current of 3Aflowing in the opposite direction produces a potential difference of 15V, the
EMF of the battery is
(A) 12.6 V (B) 13.2 V (C) 13.5 V (D) 14.0 V