A straight wire carrying a current $10\, A$ is bent into a semicircular arc of radius $5\, cm.$ The magnitude of magnetic field at the center is
A straight wire carrying a current $10\, A$ is bent into a semicircular arc of radius $5\, cm.$ The magnitude of magnetic field at the center is
- A
$1.5 \times {10^{ - 5}}\,T$
- B
$3.14 \times {10^{ - 5}}\,T$
- C
$6.28 \times {10^{ - 5}}\,T$
- D
$19.6 \times {10^{ - 5}}\,T$
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