Saved Bookmarks
| 1. |
A solenoid has a core of a material with relative permeability 400. The windings of the solenoid are insulated from the core and carry a current of 2A. If the number of turns is 1000 per metre. Calculate the magnetising current lm. (a) 694A (b)798A (c)894A (d) 994A |
| Answer» A solenoid has a core of a material with relative permeability 400. The windings of the solenoid are insulated from the core and carry a current of 2A. If the number of turns is 1000 per metre. Calculate the magnetising current lm. (a) 694A (b)798A (c)894A (d) 994A | |