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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
- A certain number of spherical dropes of a liquid of radius r coalesce to form a single
- Work of 3.0×10⁻⁴ joule is required to be done in increasing the size of a soap film
- If the alternating current I=I₁ cosωt+I₂ sinωt, then the rms current is given by
- The coefficient of performance of a refrigerator is 5. If the temperature inside
- A coil of resistance 20 ohm and inductance 5H is connected with a 100V battery
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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