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The length of the solenoid is 20cm. Its area of cross section is 10cm2, and the number of turns is 1000. Another coil of 500 turns is wound in the middle. The coefficient of mutual induction will be |
| Answer» The length of the solenoid is 20cm. Its area of cross section is 10cm2, and the number of turns is 1000. Another coil of 500 turns is wound in the middle. The coefficient of mutual induction will be | |