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Nickel shows ferromagnetic property at room temperature. If the temperature is increased beyond Curie temperature, then it will show
Options
(a) anti ferromagnetism
(b) no magnetic property
(c) diamagnetism
(d) paramagnetism
Correct Answer:
paramagnetism
Explanation:
Beyond Curie temperature, ferromagnetic substances behaves like a paramagnetic substances.
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- A black body at a temperature of 227⁰C radiates heat at a rate of 20 cal m⁻²s⁻¹.
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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
- Energy in a current carrying coil is stored in the form of
- A black body at a temperature of 227⁰C radiates heat at a rate of 20 cal m⁻²s⁻¹.
- A common emitter amplifier is designed with n-p-n transistor (α=0.99).
- An air core coil and an electric bulb are connected in series with an AC source.
- Acceleration of a particle, executing SHM, at its mean position is
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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