MCQOPTIONS
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| 1. |
An iron-cored choke with 1 mm air-gap length, draws 1 A when fed from a constant voltage ac source of 220 V. If the length of air-gap is increased to 2 mm, the current drawn by the choke would |
| A. | become nearly one half |
| B. | remain nearly the same |
| C. | become nearly double |
| D. | become nearly zero |
| Answer» D. become nearly zero | |