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Task 2.73
A current of 1 A flows through a solenoid 0.25 m long having a number of turns 500. The cross-sectional area is 15 cm2. An iron core is inserted into the solenoid. Find the energy of the magnetic field of the solenoid. The dependence B = f (H) is shown in Fig. 4.
A current of 1 A flows through a solenoid 0.25 m long having a number of turns 500. The cross-sectional area is 15 cm2. An iron core is inserted into the solenoid. Find the energy of the magnetic field of the solenoid. The dependence B = f (H) is shown in Fig. 4.
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Cumulative discount
| 200 $ | the discount is 15% |
| 100 $ | the discount is 10% |
| 50 $ | the discount is 7% |
| 20 $ | the discount is 5% |
| 10 $ | the discount is 3% |
| 5 $ | the discount is 2% |
| 1 $ | the discount is 1% |
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Cumulative discount
| 200 $ | the discount is 15% |
| 100 $ | the discount is 10% |
| 50 $ | the discount is 7% |
| 20 $ | the discount is 5% |
| 10 $ | the discount is 3% |
| 5 $ | the discount is 2% |
| 1 $ | the discount is 1% |
Check your discount
Amount of purchases from the seller: $
Your discount: %