Physics · Magnetic Effects of Electric Current

Consider a long straight conducting wire carrying a current. Which of the following statements is NOT true?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1The strength of the magnetic field increases if we increase the current.
2The magnetic field intensity decreases as we move away from the wire.
3We can use Fleming's left-hand rule to determine the direction of the magnetic field around the wire.✓
4The magnetic field will reverse its direction if we reverse the current.

Correct answer

We can use Fleming's left-hand rule to determine the direction of the magnetic field around the wire.

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