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प्रश्न
No force acts on a current-carrying conductor, when it is ______.
विकल्प
parallel to the magnetic field
perpendicular to the magnetic field
inclined at 45° to the magnetic field
none of these
MCQ
रिक्त स्थान भरें
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उत्तर
No force acts on a current-carrying conductor, when it is parallel to the magnetic field.
Explanation:
The force acting on a current-carrying conductor in a magnetic field is given by:
\[F=BIL\sin\theta\]
When the conductor is parallel to the magnetic field, \(\theta=0^\circ\) and \(\sin 0^\circ=0\). Hence, the force acting on the conductor is zero.
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