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A long straight wire carrying current of 30A is placed in an external uniform magnetic field of induction 4 x 10⁻⁴ T. The magnetic field is acting parallel to the direction of the current. The magnitude of resultant magnetic induction in tesla at a point 2.0 cm away from the wire is
Options
(a) 10⁻⁴ T
(b) 3 x 10⁻⁴ T
(c) 5 x 10⁻⁴ T
(d) 6 x 10⁻⁴ T
Correct Answer:
5 x 10⁻⁴ T
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
- The minimum wavelength of X-rays emitted by X-ray tube is 0.4125Å
- The innermost orbit of hydrogen atom has a diameter 1.06Å. The diameter of tenth
- Two coherent sources of different intensities send waves which interfere.
- The time by a photoelectron to come out after the photon strikes is approximately
- A circular disc X of radius R is made from an iron plate of thickness t and another disc
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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