The pole strength of 12 cm long bar magnet is 20 A m. The magnetic induction at a point 10 cm away from the centre of the magnet on its axial line is
A
1.17 × 10⁻³ T
B
2.20 × 10⁻³ T
C
1.17 × 10⁻² T
D
2.20 × 10⁻² T

Question

The pole strength of 12 cm long bar magnet is 20 A m. The magnetic induction at a point 10 cm away from the centre of the magnet on its axial line is

Accepted Answer

1.17 × 10⁻³ T

Answer

2.20 × 10⁻³ T

Answer

1.17 × 10⁻² T

Answer

2.20 × 10⁻² T

STANDARD Physics Magnetic Field of a Bar Magnet MCQ Question