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Q. At the Curie temperature, the ferromagnetic materials get converted into
At Curie temperature, a ferromagnetic substance is converted into paramagnetic substance.
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Q. When a running car stops suddenly, the passengers tends to lean forward as of:
Q. The cells are connected in series to
Q. Stationary wave is formed by
Q. Which of the following is the cleanest source of energy?
Q. The quality of sound depends upon its
Q. Which one of the following is used for sun glasses ?
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