Question
The existence of this quantity allows for full duality in Maxwell’s equations. For 10 points each:
[10h] Name this quantity equal to the negative curl of the electric field in an equation described by the left-hand rule. This quantity has units of volts per meter squared.
ANSWER: magnetic current density [prompt on magnetic current; reject "current density"]
[10e] Magnetic current density is created by the motion of these particles. These possibly fictitious particles violate Gauss' law for magnetism by acting as magnetic field sources.
ANSWER: magnetic monopoles
[10m] These devices are often modeled as being driven by a ring of magnetic current. The directional form of these devices produce a main lobe and several side lobes in their far-field radiation pattern.
ANSWER: antennas [or antennae; accept directional antennas; accept dipole antennas; prompt on transmitters or receivers]
<Science - Physics>
Summary
| 2024 ARGOS @ Brandeis | 03/22/2025 | Y | 3 | 6.67 | 67% | 0% | 0% |
| 2024 ARGOS @ Chicago | 11/23/2024 | Y | 6 | 10.00 | 83% | 17% | 0% |
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| 2024 ARGOS @ McMaster | 11/17/2024 | Y | 5 | 12.00 | 80% | 40% | 0% |
| 2024 ARGOS @ Stanford | 02/22/2025 | Y | 3 | 13.33 | 100% | 33% | 0% |
| 2024 ARGOS Online | 03/22/2025 | Y | 3 | 20.00 | 100% | 100% | 0% |
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