Navigate

Four cells, each of emf E and internal resistance r, are connected in series across

Four cells, each of emf E and internal resistance r, are connected in series across an external resistance R. By mistake one of the cells is connected in reverse. Then, the current in the external circuit is

Options

(a) 2E/4r+R
(b) 3E/4r+R
(c) 3E/3r+R
(d) 2E/3r+R

Correct Answer:

2E/4r+R

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

WB2014
admin:

Related Questions

  1. The radius of germanium nuclide is measured to be twice the radius of ₄⁹Be.
  2. A body rolls down a stair case of 5 steps. Each step has height 0.1 m and width 0.1m
  3. Two spheres of mass m and M are situated in air and the gravitational force
  4. 10 mA current can pass through a galvanometer of resistance 25 ohm.
  5. A potentiometer wire of length L and a resistance r are connected in series with