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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
- In an L-C-R series resonant circuit, the capacitance is changed from C to 4C.
- A sound absorber attenuates the sound level by 20 dB. The intensity decreases
- Two identical long conducting wires AOB and COD are placed at right angle
- If a gymnast, sitting on a rotating stool with his arms outstretched, suddenly
- An α-particle of energy 5 MeV is scattered through 180⁰ by a fixed uranium nucleus.
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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