front 1 1. The relationship between electricity and magnetism can be seen in all of the following EXCEPT | back 1 a battery converts chemical energy into electrical energy |
front 2 2. The strength of a magnet is _____________. | back 2 greatest at the poles |
front 3 3. A magnet can be made by _______________. | back 3 heating an iron nail |
front 4 4. When a bar magnet is broken in half, _____________. | back 4 both halves are magnets |
front 5 5. Which determines the direction of the force on a current-carrying
wire in a magnetic field? | back 5 I and III only |
front 6 6. All magnets are characterized with _____________. | back 6 a magnetic field around them |
front 7 7. The total magnetic flux through a closed surface is _____________. | back 7 zero |
front 8 8. A compass points to _____________. | back 8 geographic north |
front 9 9. The motion of a charged particle under the action of a magnetic field alone is always motion with ______________. | back 9 constant speed |
front 10 10. The magnetic force on a current-carrying conductor depends on the following EXCEPT | back 10 mass of the conductor |
front 11 11. A current is flowing west along a power line. If we neglect the earth’s field, the direction of the magnetic field below it is | back 11 south |
front 12 12. The magnetic field of a bar magnet most closely resembles of a | back 12 straight current carrying wire |
front 13 13. What angle should a current-carrying wire make an angle with the magnetic field for the force to be maximum? | back 13 90 degrees |
front 14 14. When a current-carrying wire is in uniform magnetic field with the direction of current the same as that of the field, | back 14 there is neither a force nor a torque on the wire |
front 15 15. The field/s surrounding a moving electric charge | back 15 both electric and magnetic fields |