Class 12PhysicsMagnetism and MatterMagnetic field due to magnetic dipole and Dipole in Magnetic Field and Poential Energy and Work Done
EasyWhat is the magnitude of the equatorial magnetic field due to a bar magnet of length $5.0 \ cm$ at a distance $75 \ cm$ from its midpoint? The magnetic moment of the bar magnet is $0.75 \ A \ m^2$.
- A$1.78 \times 10^{-7} \ T$
- B$6.4 \times 10^{-7} \ T$
- C$3.2 \times 10^{-7} \ T$
- D$3.56 \times 10^{-7} \ T$
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