Navigate

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.

NEET2013
admin:

Related Questions

  1. Dependence of intensity of gravitational field (E) of earth with distance(r)
  2. Light of wavelength λ from a point source falls on a small circular obstacle
  3. A galvanometer has a resistance 50Ω. A resistance of 5Ω is connected parallel to it.
  4. An electromagnetic wave of frequency v = 3.0 MHz passes from vacuum into
  5. The physical quantities not having same dimensions are