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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.
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Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Suppose the kinetic energy of a body oscillating with amplitude A and at a distance
- If the cold junction of a thermo-couple is kept at 0⁰C and the hot junction is kept
- Two identical capacitors each of capacitance 5 mF are charged potentials 2 kV and 1 kV
- what is the de-Broglie wavelength of the electron accelerated through a potential
- Perfectly black body radiates the energy 18 J/s at 300K. Another ordinary body of e=0.8
Topics: Magnetic Effects of Current and Magnetism (167)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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