The Week US on MSN4mon
The dark side of the contraceptive coilHormonal coils have become increasingly popular in recent years, but a recent study found an unexpected association between ...
A – The coil is at 0°. The coil is moving parallel to the direction of the magnetic field, so no potential difference is induced. B – The coil is at 90°. The coil is moving at 90° to the ...
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