Two parallel long wires carry currents i₁ and i₂ with i₁ > i₂ .

Two Parallel Long Wires Carry Currents I And I With Physics Question

Two parallel long wires carry currents i₁ and i₂ with i₁ > i₂ . When the currents are in the same direction, then the magnetic field midway between the wires is 10μT. When the direction of i₂ is reversed, then it becomes 40μT. Then, ratio of i₁/ i₂ is

Options

(a) (3:4)
(b) (5:3)
(c) (7:11)
(d) (11:7)

Correct Answer:

(5:3)

Explanation:

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

Related Questions:

  1. Two point charge +9e and +e are at 16 cm away from each other.
  2. Diameter of the objective of a telescope is 200 cm. What is the resolving power
  3. If two electric bulbs have 40 W and 60 W ratings at 220 V, then the ratio
  4. A circular disc of radius R is removed from a bigger circular disc of radius 2R
  5. In adiabatic expansion, product of PV

Topics: Magnetic Effects of Current and Magnetism (167)
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Your email address will not be published.


*