MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the value of inductance of a coil of 100 turns wound on an iron core of relative permeability , (μr) of 200 if the area of cross section is 1 cm2 and length is 4 cm? (μ0 = 4π × 10-7 Wb/At-m) |
| A. | 6.28 mH |
| B. | 3.1 mH |
| C. | 4 mH |
| D. | 8 mH |
| Answer» B. 3.1 mH | |