1. When a permanent magnet is cut in half, one piece will be a North Pole and on

Question

1. When a permanent magnet is cut in half, one piece will be a North Pole and one piece will be a South Pole. False
2. The North Pole of a permanent magnet is attracted to a South Pole. True
3. All permanent magnets are surrounded by a magnetic field. True
4. Magnetic field lines outside a permanent magnet originate from the North Pole and end on the South Pole. True
5. A compass can determine the direction of a magnetic field at a point. True
6. The shape of the magnetic field around a bar magnet is almost exactly the same shape as the shape of the electric field around a positive charge. False
7. A stationary electric charge produces a magnet field around it. False
8. You can reverse the polarity (switch the north and south poles) of an electromagnet reversing the current. True
9. A transformer works with AC but not DC. True
10. The induced emf will produce an induced current. True
11. The induced emf is proportional to the magnetic flux. False
12. Lenz

Explanation / Answer

All are correct

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