A long straight wire is carrying a current of 12 A. The magnetic field at a distance

⇦

⇨

A long straight wire is carrying a current of 12 A. The magnetic field at a distance of 8 cm is (μ₀=4πx10⁻⁷ N A²)

Options

(a) 2×10⁻⁴ Wb/m²
(b) 3×10⁻⁵ Wb/m²
(c) 4×10⁻⁴Wb/m²
(d) 4×10⁻⁵ Wb/m²

Correct Answer:

3×10⁻⁵ Wb/m²

Explanation:

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

Related Questions:

1. A body under the action of a force F⃗ = 6i⃗–8j⃗+10k⃗, acquires an accelerationof 1 m/s². The mass of this body must be
2. The relationship between decay constant λ and half-life T of a radioactive substance is
3. Sodium has body centred packing. Distance between two nearest atoms is 3.7 Å.
4. A 6 volt battery is connected to the terminals of a three metre long wire of uniform
5. A particle executing simple harmonic motion of amplitude 5 cm has maximum

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