[Basic Course on Transformers 6] What is magnetic resistance? Many people understand electrical resistance measured in ohms, but relatively few understand magnetic resistance. This point is explained in an easy-to-understand manner.

Electrical resistance is defined as:
R (electrical resistance) = V (voltage) / A (current)
or
R (electrical resistance) = L (length) / (σ (conductivity) × S (cross-sectional area))
I believe many people understand and remember these formulas.
Now, when asked about magnetic resistance, those who find it hard to recall might be more common compared to electrical resistance, right?
There’s no need to memorize it, but understanding it can be helpful in transformer design, so please take a moment to check it out.

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