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The Powell's Playlist | August 8, 2014

Peter Mendelsund: IMG The Powell's Playlist: Water Music by Peter Mendelsund



We "see" when we read, and we "see" when we listen. There are many ways in which music can create the cross-sensory experience of this seeing...... Continue »
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jolivare_1999 has commented on (1) product.

Principles of Electric Machines and Power Electronics (2ND 97 - Old Edition) by P.c. Sen
Principles of Electric Machines and Power Electronics (2ND 97 - Old Edition)

jolivare_1999, January 16, 2007

In page 3 we can read:

For materials used in electrical machines, ur varies in the range of 2000 to 6000. I think that this is false. MAny years this was ok.

You should correct this part:
For materials used in electrical machines, ur varies in the range of 10000 to 40000.This is valid for modern materials.

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