Two concentric coils each of radius equal to 2π cm are placed at right angles

⇦

⇨

Two concentric coils each of radius equal to 2π cm are placed at right angles to each other. If 3A and 4A are the currents flowing through the two coils, respectively. The magnetic induction (in Wb/m²) at the centre of the coils will be

Options

(a) 5×10⁻⁵
(b) 12×10⁻⁵
(c) 7×10⁻⁵
(d) 10⁻⁵

Correct Answer:

5×10⁻⁵

Explanation:

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

Related Questions:

1. A ball rolls without slipping. The raidus of gyration of the ball about an axis
2. A charged particle with a velocity 2×10³ ms⁻¹ passes undeflected through electric field
3. A thermocouple of negligible resistance produces an e.m.f. of 40 µV/⁰C in the linear range
4. Source S₁ is producing, 10¹⁵ photons per second of wavelength 5000Å
5. The work done in which of the following processes is equal to the change in internal energy

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.

---

Share this page with your friends