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27 Nov 2019
If you have two long wires carrying equal current inopposite directions, then the magnetic field is strongest at whatlocation?
1. At the surface of each wire
2. Along the center line between each wire
What is the pinch effect?
1. The increase in resistance when a conductor's diameter narrowsat point along a wire
2. The change in a B-field when a conductor bends at a rightangle.
3. The magnetic attraction between parallel current elements withinone conductor
4. The magnetic attraction between parallel currents in twoseparate conductors
If you have two long wires carrying equal current inopposite directions, then the magnetic field is strongest at whatlocation?
1. At the surface of each wire
2. Along the center line between each wire
What is the pinch effect?
1. The increase in resistance when a conductor's diameter narrowsat point along a wire
2. The change in a B-field when a conductor bends at a rightangle.
3. The magnetic attraction between parallel current elements withinone conductor
4. The magnetic attraction between parallel currents in twoseparate conductors
Beverley SmithLv2
8 Jul 2019
