An infinitely long straight conductor is bent | vedclass

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(C) The magnetic field at the centre $O$ is the vector sum of the magnetic field due to the straight wire and the magnetic field due to the circular l

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$\frac{\mu_0 I}{2 \pi R}(\pi+1)$

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(C) The magnetic field at the centre $O$ is the vector sum of the magnetic field due to the straight wire and the magnetic field due to the circular loop.$1$. Magnetic field due to the straight wire at distance $R$ from the centre $O$:$B_1 = \frac{\mu_0 I}{2 \pi R}$ (directed outwards,perpendicular to the plane).$2$. Magnetic field due to the circular loop of radius $R$ at its centre $O$:$B_2 = \frac{\mu_0 I}{2 R}$ (directed outwards,perpendicular to the plane).Since both magnetic fields are in the same direction (outwards),the resultant magnetic field $B$ is:$B = B_1 + B_2$$B = \frac{\mu_0 I}{2 \pi R} + \frac{\mu_0 I}{2 R}$$B = \frac{\mu_0 I}{2 \pi R} (1 + \pi)$Thus,the magnitude of the magnetic induction at the centre is $\frac{\mu_0 I}{2 \pi R}(\pi+1)$.

An infinitely long straight conductor is bent into the shape as shown below. It carries a current of $I$ ampere and the radius of the circular loop is $R$ metre. Then,the magnitude of magnetic induction at the centre of the circular loop is

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