Physics · Magnetism and Moving Charges
Megha studied the magnetic field around a long, straight, current-carrying wire and concluded that the magnetic field strength is directly proportional to the current and inversely proportional to the distance from the wire. Which law mathematically supports this conclusion?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Fleming's left-hand rule
- 2Faraday's law of induction
- 3Biot-Savart law
- 4Ampere's circuital law✓
Correct answer
Ampere's circuital law
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