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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 voltmeter of range 2 V and resistance 300Ω cannot be converted into ammeter
- A 50 ohm galvanometer gets full scale deflection when a current of 0.01 A passes
- The two ends of a rod of length L and a uniform cross-sectional area
- By the succesive disintegration of ₉₂U²³⁸, the final product obtained is ₈₂Pb²⁰⁶, then
- In potentiometer experiment, a cell of emf 1.25V gives balancing length of 30 cm
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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