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Lecture: 17 (iq15)

1. Magnet field pattern around a straight wire

2. Dielectric slab and the polarized charge

3. HW-problem: Two capacitors

4. V(r), potential energy function of a uniformly charged nucleus (Q=Ze)

5. Measurement of B_wire using a compass needle and B_earth

6. Biot-Savart law: Two magnetic sources

o moving charge qv

o current segment: I DL

7. Vector product or cross product

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