MCQ
Self induction of a solenoid is
- ADirectly proportional to current flowing through the coil
- BDirectly proportional to its length
- ✓Directly proportional to area of cross-section
- DInversely proportional to area of cross-section
✓
Answer
Correct option: C.
Directly proportional to area of cross-section
c
(c) $L = {\mu _0}{N^2}A\, /l$
(c) $L = {\mu _0}{N^2}A\, /l$
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