Question
Which of the following principle is used to produce
low-temperatures'?Solution
Magnetic refrigeration is a cooling technology based on the magneto- caloiic effect. This technique can be used to attain extremely low temperatures, as well as the ranges used in common refrigerators, depending on the design of the system. The magneto- caloric effect (MCE, from magnet and calorie) is a magneto-thermodynamic phenomenon in which a change in temperature of a suitable material is caused by exposing the material to a changing magnetic field.
Which of the following places was ruled by the Wadiyar dynasty?
Central govt. will disinvest its _______ shares which are held in ITC ltd.
Where was the 25T Bollard Pull Tug, Bajrang, launched? Â
Which of these organisms is considered a facultative pathogen?
Which of the following statements about Fundamental Duties in India is correct?
(I) They are described under Part V of the Indian Constitution.
Which of the following hill stations is termed the 'Queen of Hill Stations'?
'Kisan Samridhi Commission' was formed in the Uttar Pradesh in which of the following year?
Who was the first female Chief Secretary of Maharashtra appointed in July 2024?
Who has been appointed as the new Chairman and Managing Director of Bharat Electronics Limited (BEL)?
In Uttar Pradesh maximum percentage of workers are engaged in?
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