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Which of these correctly describes the process of inductive charging?

easy📝 Conceptual Q3 of 15
EV Technology - Future Battery Technologies
Which of these correctly describes the process of inductive charging?
ABattery sends power back to the charger
BElectricity flows through a wire to the device
CDevice coil emits light to charge the battery
DMagnetic field induces current in the device coil
Step-by-Step Solution
Solution:

  1. Step 1: Understand inductive charging mechanism

    Inductive charging uses a magnetic field to induce current in the device's coil.

  2. Step 2: Compare options to this mechanism

    Only Magnetic field induces current in the device coil correctly describes this process; others describe incorrect or unrelated actions.

  3. Final Answer:

    Magnetic field induces current in the device coil -> Option D

  4. Quick Check:

    Inductive charging = Magnetic induction [OK]
Quick Trick: Induction means magnetic field creates current [OK]
Common Mistakes:
  • Thinking electricity flows through wires
  • Confusing light emission with charging
  • Reversing power flow

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