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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: - Three masses are placed on the x-axis : 300 g at origin, 500 g at x = 40 cm
- In a diffraction pattern due to a singleslit of width a, the first minimum is observed
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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
- Three masses are placed on the x-axis : 300 g at origin, 500 g at x = 40 cm
- In a diffraction pattern due to a singleslit of width a, the first minimum is observed
- Two tuning forks are sounded together and produce 2 beats per second.
- A particle doing SHM has amplitude=4 cm and time period = 12 sec. The ratio between times
- The ratio of minimum wavelengths of Lyman and Balmer series will be
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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