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. A body of mass (4m) is lying in x-y plane at rest. It suddenly explodes into three
  2. A particle under the action of a constant force moves from rest upto 20 seconds
  3. A particle has initial velocity (2i⃗+3j⃗) and acceleration (0.3i⃗+0.2j⃗). The magnitude
  4. what is the electric potential at a distance of 9cm from 3nC?
  5. The near point and far point of a person are 40 cm and 250 cm, respectively.