Physics · Magnetism
In automotive systems, which of the following component pairs represents a widespread application of the magnetic effect of electric current?
- 1Chemical reaction during battery charging
- 2Incandescent filaments in headlamp bulbs
- 3Thermocouples used for temperature sensing
- 4Electromagnets in relays and cut-outs✓
Correct answer
Electromagnets in relays and cut-outs
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