Navigate

Four identical cells of emf Ԑ and internal resistance r are to be connected in series.

Four identical cells of emf Ԑ and internal resistance r are to be connected in series.Suppose, if one of the cell is connected wrongly, then the equivalent emf and effective internal resistance of the combination is

Options

(a) 2E and 4r
(b) 4E and 4r
(c) 2E and 2r
(d) 4E and 2r

Correct Answer:

2E and 4r

Explanation:

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

KCET2015
admin:

Related Questions

  1. Which scientist experimentally proved the existence of electromagnetic waves?
  2. When a mass m is attached to a spring, it normally extends by 0.2 m.
  3. Following figures show the arrangement of bar magnets in different configurations
  4. An artificial satellite is revolving round the earth in a circular orbit. Its velocity
  5. The 6563 Å line emitted by hydrogen atom in a star is found to be red shifted by 5Å