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Time period of oscillation of a magnet is 2 sec. When it is remagnetised so that its pole strength is 4 times, its period will be
Options
(a) 4 sec
(b) 2 sec
(c) 1 sec
(d) 8 sec
Correct Answer:
1 sec
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
- If the minimum energy of photons needed to produce photoelectrons is 3 eV,
- If an A.C. mains supply is given to be 220 V, what would be the average e.m.f.
- A radio isotope X with a half life 1.4 x 10⁹ years decays to Y which is stable
- A wheel of mass 10 kg has a moment of inertia of 10 kgm² about its own axis
- When a radioactive substance emits an ∝ particle, its position in the periodic table
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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