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प्रश्न
The magnetic field inside a long straight solenoid carrying current ______.
पर्याय
is zero
decreases as we move towards its end.
increases as we move towards its end.
is same at all points.
उत्तर
The magnetic field inside a long straight solenoid carrying current is the same at all points.
Explanation:
An even magnetic field exists inside a current carrying solenoid. The field lines are straight and parallel to each other.
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| Figure 'a' | Figure 'b' |
