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1. |
The core of a coil has a length of 10 cm. The self inductance is 8 mH. If the core length is doubled, all other quantities remaining the same, the self inductance will be |
A. | 32 mH |
B. | 16 mH |
C. | 8 mH |
D. | 4 mH |
Answer» E. | |