The distance between the poles of a horse shoe magnet is $0.1\, m$ and its pole strength is $0.01\, amp-m$. The induction of magnetic field at a point midway between the poles will be
The distance between the poles of a horse shoe magnet is $0.1\, m$ and its pole strength is $0.01\, amp-m$. The induction of magnetic field at a point midway between the poles will be
- A
$2 \times {10^{ - 5}}\,T$
- B
$4 \times {10^{ - 6}}\,T$
- C
$8 \times {10^{ - 7}}\,T$
- D
Zero
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