MCQ
The force exerted on a current $-$ carrying wire placed in a magnetic field is zero when the angle between the wire and the direction of magnetic field is :
- A$45^\circ $
- B$60^\circ$
- C$90^\circ$
- ✓$180^\circ$
✓
Answer
Correct option: D.
$180^\circ$
The force exerted on a current $-$ carrying wire placed in a magnetic field is zero when a current $-$ carrying conductor is parallel to the field.
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