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

The Resistances Of The Four Arms Pqr And S In Physics Question

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.

Related Questions:

  1. RMS velocity of gas is proportional to
  2. An aicraft executes a horizontal loop of radius 1 km with a speed of 900 kmh⁻¹
  3. When a ceiling fan is switched on, it makes 10 revolutions in the first 3s
  4. Masses of three wires of copper are in the ratio of 1:3:5 and their lengths
  5. Young’s modulus of the material of a wire is 18×10¹¹ dyne cm⁻².its value in SI is

Topics: Current Electricity (136)
Subject: Physics (2479)

Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score

18000+ students are using NEETLab to improve their score. What about you?

Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.

NEETLab Mobile App

Share this page with your friends

Be the first to comment

Leave a Reply

Your email address will not be published.


*