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The time period of bar magnet is doubled when magnetic field is reduced by same amount. If initial magnetic field is 0.4 x 10⁻⁴ T then find out decrease in the magnetic field
Options
(a) 0.12 x 10⁻⁵
(b) 0.3 x 10⁻⁴
(c) 0.4 x 10⁻⁵
(d) 12 x 10⁻⁵
Correct Answer:
0.3 x 10⁻⁴
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 a parallel plate capacitor with plate area A and charge Q, the force on one plate
- The wavelength λₑ of an electron and λₚ of a photon are of same energy E are related by
- The two ends of a rod of length L and a uniform cross-sectional area
- Two beams of light having intensities I and 4I interfere to produce a fringe pattern
- A geostationary satellite is orbiting the earth at a height of 5R above that surface
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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