What is the life of permanent magnet and what type of magnet is used in speakers?

1 Answers  

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What is the difference between the atomic theory and the kinetic theory?

0 Answers  

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The element required for solar energy conservation___?

1 Answers  

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How is soda in a glass sucked up with the help of a straw ?

1 Answers  

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I just want to convert the voltage into current i.e. suppose I have 750V & 1A AC power then I want to convert it into 12V & 62A DC power only difficulty is that I don't want to use the tranceformer. Simply to say, I want to make the step-down without using tranceformer. Please, give me some ideas. And also I want the relation between Magnetic Induction & Weight of the body can be levitated. Or I can say, how much of magnetic induction requires to lift 500gms weight? I am heartily thankful to you.

0 Answers  

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What is the commercial unit of electrical energy ?

8 Answers   Electrical,

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How many more times louder is 70 decibels than 10 decibels?

0 Answers  

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Differentiate static and kinetic friction.

0 Answers   Godrej,

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Explain when are intermolecular forces the strongest?

0 Answers  

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When you kick a football, why does it stop?

1 Answers   Eskom,

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why ac is attractive and dc is repulsive?

1 Answers  

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Explain how do you convert from pascal to torr?

0 Answers  

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