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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.
Related Questions: - Which of the following does not increase regularly?
- A common emitter amplifier has a voltage gain of 50, an input impedance of 100Ω
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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 does not increase regularly?
- A common emitter amplifier has a voltage gain of 50, an input impedance of 100Ω
- A particle moves with constant speed v along a circular path of radius r and completes
- What is the voltage gain in a common-emiiter amplifier, when input resistance is 4 Ω
- Which of the following statement about scalar quantity is true?
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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