3. A short magnetic dipole hasmagnetic moment 0.5 A- ma.Calculate its

1.	3. A short magnetic dipole hasmagnetic moment 0.5 A- ma.Calculate its magnetic field at adistance of 20 cm from the centre ofmagnetic dipole on the axis (Given Mo= 4 Ttx10-7 Sl units)*O A. 2.5 X 10-5 Wb/m2B. 1.25 X 10-5 Wb/m2O C. 3.75X 10-5 Wb/m2O D. 5X10-5 Wb/m2
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3. A short magnetic dipole hasmagnetic moment 0.5 A- ma.Calculate its magnetic field at adistance of 20 cm from the centre ofmagnetic dipole on the axis (Given Mo= 4 Ttx10-7 Sl units)*O A. 2.5 X 10-5 Wb/m2B. 1.25 X 10-5 Wb/m2O C. 3.75X 10-5 Wb/m2O D. 5X10-5 Wb/m2

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3. A short magnetic dipole hasmagnetic moment 0.5 A- ma.Calculate its magnetic field at adistance of 20 cm from the centre ofmagnetic dipole on the axis (Given Mo= 4 Ttx10-7 Sl units)*O A. 2.5 X 10-5 Wb/m2B. 1.25 X 10-5 Wb/m2O C. 3.75X 10-5 Wb/m2O D. 5X10-5 Wb/m2​

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3. A short magnetic dipole hasmagnetic moment 0.5 A- ma.Calculate its magnetic field at adistance of 20 cm from the centre ofmagnetic dipole on the axis (Given Mo= 4 Ttx10-7 Sl units)*O A. 2.5 X 10-5 Wb/m2B. 1.25 X 10-5 Wb/m2O C. 3.75X 10-5 Wb/m2O D. 5X10-5 Wb/m2