Question

A semicicular arc of radius 20 cm carries a current of 10a . Calculate the magnetic field at centre

Answer 1

$\mathfrak{\huge{\pink{\underline{\underline{AnsWer :}}}}}$

» Magnetic field at the centre of the circle due to circular loop is given by:

B = μ0I/2R

» Due to semi circle:

B = μ0I/4R

B = (4π × 10⁻⁷ × 10)/(4 × 20 × 10⁻²)

B = 1.57 × 10⁻⁵ tesla

B = 0.157 gauss

Answer 2

$\huge\underline\mathcal{Bonjour}$

⭑A semicicular arc of radius 20 cm carries a current of 10a . Calculate the magnetic field at centre:-

⭒Circular loop is given by:

B = μ0I/2R

» Due to semi circle:

B = μ0I/4R

B = (4π × 10⁻⁷ × 10)/(4 × 20 × 10⁻²)

B = 1.57 × 10⁻⁵ tesla

B = 0.157 gauss

Thanks!!