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A current I ampere flows along the inner conductor of a co-axial cable and returns along the outer conductor of the cable, then the magnetic induction at any point outside the conductor at a distance r metre from the axis is
Options
(a) ∞
(b) zero
(c) μ₀∕4π 2i/r
(d) μ₀∕4π 2πi/r
Correct Answer:
zero
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - Which of the following parameters does not characterize the thermodynamic state
- The decreasing order of wavelength of infrared, microwave, ultraviolet and gamma
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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
- Which of the following parameters does not characterize the thermodynamic state
- The decreasing order of wavelength of infrared, microwave, ultraviolet and gamma
- Two radioactive materials X₁ and X₂ have decay constants 5λ and λ respectively
- A current of 5 A is flowing at 220 V in the primary coil of a transformer. If the voltage
- A body takes 5 minute for cooling from 50⁰C to 40⁰C. Its temperature
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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