Physics · Magnetic Circuits
The relation between magnetic permeability (μ) and reluctance (S) of a magnetic circuit is given by: (Where 'l' is the mean length of the magnetic circuit, and 'a' is the cross-sectional area available for flux.)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1S = 1l μ a
- 2S = μ la
- 3S = a lμ
- 4S = lμ a✓
Correct answer
S = lμ a
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