Relevant Competitive Tests:
The core of a coil has a length of 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will be_____________?
A. 3 mHCorrect Answer
B. 12 mH
C. 24mH
D. 48mH
Correct Option: A. 3 mH
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