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 voltage of clouds is 4×10⁶ volt with respect to ground. In a lightening
  2. Find the fundamental frequency of a closed pipe if the length of air column is 42m.
  3. If the velocity of sound in air is 350 m/s, thent he fundamental frequency
  4. A hollow sphere of charge does not produce an electric field at any
  5. A sample of radioactive element has a mass of 10 gram at an instant t=0.