The resistances of the four arms P,Q,R and S in a Wheatstone’s bridge

The resistances of the four arms P,Q,R and S in a Wheatstone’s bridge are 10Ω, 30Ω, 30Ωand 90Ω respectively. The emf and internal resistance of the cell are 7V and 5Ω, respectively. If the galvanometer resistance is 50Ω, then the current drawn from the cell will be

Options

(a) 1.0A
(b) 1.6A
(c) 2.0A
(d) 2.6A

Correct Answer:

1.6A

Explanation:

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

admin:

Related Questions

  1. An open pipe resonates with a tuning fork of frequency 500 Hz. It is observed
  2. In semiconductor at a room temperature
  3. When the wavelength of sound changes from 1 m to 1.01 m,
  4. The drift velocity does not depend upon
  5. A tuning fork of frequency x produces 4 beats with a source of 256 Hz and 8 beats