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A solenoid wound over a rectangular frame. If all the linear dimensions of frame are increased by a a factor 3 and numbers of turns per unit length remains same , the self inductance increased by a factor of? |
| Answer» A solenoid wound over a rectangular frame. If all the linear dimensions of frame are increased by a a factor 3 and numbers of turns per unit length remains same , the self inductance increased by a factor of? | |