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10 cards from this deck
Hans Christian Øersted (1819)
B=μ0I2πrB = \frac{\mu_0 I}{2\pi r}B=2πrμ0I
4π×10−74\pi \times 10^{-7}4π×10−7 T m A−1^{-1}−1
Tesla (T)
Thumb along current; fingers curl in field direction
Inversely proportional to distance (1r\frac{1}{r}r1)
Coil of wire wound into cylindrical shape
B=μ0NILB = \frac{\mu_0 N I}{L}B=Lμ0NI
Bar magnet (has north and south poles)
NL\frac{N}{L}LN (number of turns per unit length)
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