MCQOPTIONS
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MCQOPTIONS
| 1. |
In an air cored coil, a current of 0.7 A causes a flux of 5 x 10-6 Wb. If the core is made of cast iron and the coil is similar, the same current can set up a flux of about |
| A. | 5 x 10-6 Wb |
| B. | 5 x 10-8 Wb |
| C. | 10-2 Wb |
| D. | 5 x 10-4 Wb |
| Answer» E. | |