MCQOPTIONS
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| 1. |
The inductance of an air-cored coil is proportional to1. The square of the number of turns.2. The diameter of the coil3. A form factor, F dependent on the ratio of coil radius to coil length plus winding depth.Which of the above statements are correct? |
| A. | 1 and 2 only |
| B. | 1 and 3 only |
| C. | 2 and 3 only |
| D. | 1, 2 and 3 |
| Answer» C. 2 and 3 only | |