Class 12PhysicsMoving Charges and MagnetismAmpere’s circuital law and its application (Solenoid and Toroid)
Easy$A$ current of $2\, A$ flows in a long,straight wire of radius $2\, mm$. The intensity of the magnetic field on the axis of the wire is:
- A$\left( \frac{\mu_0}{\pi} \right) \times 10^3\, T$
- B$\left( \frac{\mu_0}{2\pi} \right) \times 10^3\, T$
- C$\left( \frac{2\mu_0}{\pi} \right) \times 10^3\, T$
- DZero
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