Physics · Magnetic Recording
Data recording on a coated, spinning platter in a computer hard disk drive primarily utilizes which of the following physical principles?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Principle of electrostatic induction
- 2Principle of capacitance change
- 3Principle of electromagnetic induction✓
- 4Principle of Lenz's law
Correct answer
Principle of electromagnetic induction
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