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Self Inductance
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Problem 3
Self Inductance
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30. Induction and Inductance / Self Inductance / Problem 3
Problem 3
A toroid is marked 48.5 mH. Its diameter is 15.0 cm, and its cross-sectional area is 1.8 cm
2
. Determine its number of turns.
A
1.01 × 10
6
turns
B
1.01 × 10
9
turns
C
1.01 × 10
4
turns
D
1.01 × 10
3
turns
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